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A B737-800 developed a trailing edge flap assymetry as the aircraft was slowed for approach. An emergency was declared and a no flap landing followed.
| Attributes | |
| ACN | 901340 |
| Time | |
| Date | 201007 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Component | |
| Aircraft Component | Trailing Edge Flap |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
Captain's leg on approach; when directed by ATC to slow to 180 KTS; commanded the flaps from up to 1 degree while slowing through 225 KTS (flaps 1 placard speed is 250; company imposed 240 KTS). Flap indicator indicated slight movement of the left flap and no movement of the right flap. [We] worked QRH trailing edge flap asymmetry. All flaps up landing and emergency landing checklists to prepare for landing. [We] declared an emergency; coordinated emergency with ATC and flight attendants. Landing on the runway was uneventful. Airplane could have stopped by on an earlier taxiway but we exited at a later taxiway where the emergency vehicles were going. The fire chief determined that the brakes were not hot. Taxied to tow-in gate; uneventfully; however; was requested by maintenance not to park the parking brakes due to unusually warm brakes.
Original NASA ASRS Text
Title: A B737-800 developed a trailing edge flap assymetry as the aircraft was slowed for approach. An emergency was declared and a no flap landing followed.
Narrative: Captain's leg on approach; when directed by ATC to slow to 180 KTS; commanded the flaps from up to 1 degree while slowing through 225 KTS (flaps 1 placard speed is 250; company imposed 240 KTS). Flap indicator indicated slight movement of the left flap and no movement of the right flap. [We] worked QRH Trailing Edge Flap Asymmetry. All Flaps Up Landing and Emergency Landing checklists to prepare for landing. [We] declared an emergency; coordinated emergency with ATC and Flight Attendants. Landing on the runway was uneventful. Airplane could have stopped by on an earlier taxiway but we exited at a later taxiway where the emergency vehicles were going. The Fire Chief determined that the brakes were not hot. Taxied to tow-in gate; uneventfully; however; was requested by Maintenance not to park the parking brakes due to unusually warm brakes.
Data retrieved from NASA's ASRS site as of April 2012 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.