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|
Attributes | |
ACN | 1658635 |
Time | |
Date | 201906 |
Local Time Of Day | 0601-1200 |
Place | |
Locale Reference | ZZZ.TRACON |
State Reference | US |
Environment | |
Flight Conditions | VMC |
Light | Daylight |
Aircraft 1 | |
Make Model Name | B737 Next Generation Undifferentiated |
Operating Under FAR Part | Part 121 |
Flight Phase | Climb |
Flight Plan | IFR |
Person 1 | |
Function | First Officer Pilot Not Flying |
Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
Experience | Flight Crew Last 90 Days 221 Flight Crew Total 7150 Flight Crew Type 4467 |
Person 2 | |
Function | Pilot Flying Captain |
Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
Experience | Flight Crew Last 90 Days 140 Flight Crew Type 2819 |
Events | |
Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
On flight XXX we [requested priority handling] airborne after a couple [of] stick shaker events and returned to land [at the departure airport] uneventfully. The flight started off with an automatic slat fail light after push back when we moved the flaps to one during the after start checklist. We consulted with [maintenance control] and they deferred the item. The ftr on the flight placed a maintenance label on the item and completed the report. Once the maintenance item was completed we received a new [maintenance release] and took off without any further issues on the ground. During the VFR climb out the ca's (captain) ADI (attitude display indicator) displayed speed lmt (speed limit) and he also lost vertical guidance intermittently. Later during climb out there was a momentary stick shaker. Controls were passed to me sometime during the climb due to the issues on the ca side of the aircraft. We consulted the QRH but none of the conditions firmly matched any specific checklist although we did consult airspeed unreliable qrc and QRH since that was the closest match. Also we consulted display source since it included speed limit flag. We cross-referenced all three airspeed indicators; attitude displays; and altimeters. All our instruments matched and they made sense with where we were in the flight profile. The ca later sat (satellite phone) conferenced in with dispatch and [maintenance control] while I flew the aircraft. Shortly after ending the call we had our second stick shaker event on the ca side. At that point we decided to air return and [requested priority handling]. I continued to fly the aircraft while the ca coordinated with ATC; dispatch; ops; flight attendants and he also made a PA to the passengers. Later the ca requested the ca from [other] crew come up in order to provide additional support. The [other] ca was briefed on the situation and the game plan to return to [the departure airport]. He then read through the airspeed unreliable checklist as we descended. We experienced at least 5 more activation of the stick shaker on only the ca side during the remainder of the flight. We later landed uneventfully back [at the departure airport].
Original NASA ASRS Text
Title: B737 flight crew reported multiple flight control and instrumentation anomalies inflight resulting in an air return.
Narrative: On Flight XXX we [requested priority handling] airborne after a couple [of] stick shaker events and returned to land [at the departure airport] uneventfully. The flight started off with an AUTO SLAT FAIL light after push back when we moved the flaps to one during the after start checklist. We consulted with [Maintenance Control] and they deferred the item. The FTR on the flight placed a maintenance label on the item and completed the report. Once the maintenance item was completed we received a new [Maintenance Release] and took off without any further issues on the ground. During the VFR climb out the CA's (Captain) ADI (Attitude Display Indicator) displayed SPD LMT (Speed Limit) and he also lost vertical guidance intermittently. Later during climb out there was a momentary stick shaker. Controls were passed to me sometime during the climb due to the issues on the CA side of the aircraft. We consulted the QRH but none of the conditions firmly matched any specific checklist although we did consult Airspeed Unreliable QRC and QRH since that was the closest match. Also we consulted Display Source since it included Speed Limit Flag. We cross-referenced all three airspeed indicators; attitude displays; and altimeters. All our instruments matched and they made sense with where we were in the flight profile. The CA later SAT (Satellite Phone) conferenced in with Dispatch and [Maintenance Control] while I flew the aircraft. Shortly after ending the call we had our second stick shaker event on the CA side. At that point we decided to air return and [requested priority handling]. I continued to fly the aircraft while the CA coordinated with ATC; Dispatch; Ops; flight attendants and he also made a PA to the passengers. Later the CA requested the CA from [other] crew come up in order to provide additional support. The [other] CA was briefed on the situation and the game plan to return to [the departure airport]. He then read through the Airspeed Unreliable checklist as we descended. We experienced at least 5 more activation of the stick shaker on only the CA side during the remainder of the flight. We later landed uneventfully back [at the departure airport].
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.