<< >> NASA ASRS Report 1445249, April 2017

B737-700 first officer reported he discovered the stabilizer trim not functioning during climb after takeoff. The QRH checklist was completed and flight returned to the departure airport.

Attributes
ACN	1445249
Time
Date	201704
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Daylight
Aircraft 1
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Component
Aircraft Component	Horizontal Stabilizer Trim
Person 1
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 195
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

We had a stabilizer trim total failure on climbout. First officer was flying and noticed stabilizer trim switch was not working. I then tried mine and the autopilot; none worked. Preformed the stabilizer trim failure checklist. Since it was going to lead to a flaps 15 landing and manual trim I would be the pilot landing. We called operations; dispatch; notified flight attendants and passengers. After we amended our release to return to the departure airport we asked for vectors for ILS xxl. We landed overweight flap 15 and taxied to the gate.

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Original NASA ASRS Text

Title: B737-700 First Officer reported he discovered the Stabilizer Trim not functioning during climb after takeoff. The QRH checklist was completed and flight returned to the departure airport.

Narrative: We had a STAB TRIM total failure on climbout. FO was flying and noticed Stabilizer Trim switch was not working. I then tried mine and the autopilot; none worked. Preformed the Stabilizer Trim Failure Checklist. Since it was going to lead to a flaps 15 landing and manual trim I would be the Pilot landing. We called Operations; Dispatch; notified Flight Attendants and Passengers. After we amended our Release to return to the departure airport we asked for vectors for ILS XXL. We landed overweight flap 15 and taxied to the gate.

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.