SDR AALA20171119005

Service difficulty report · Flap System · Boeing 737823

Difficulty date: November 18, 2017
Submitted: November 22, 2017
Operation: Air carrier
Aircraft: N948AN
Make and model: Boeing 737823
Aircraft serial: 30086
Aircraft time: 52,276 hours, 21,245 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap System
Condition: Stuck
Stage of operation: CL
How discovered: O
Nature of condition: F
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

TRAILING EDGE FLAPS STUCK IN DOWN POSITION. EMERGENCY DECLARED, AND FLIGHT RETURNED TO DEPARTURE. LANDING UNEVENTFUL. ACCOMPLISHED FLAP SLAT ELECTRONICS UNIT BITE CHECK AND FOUND CODE 27-53252, FLAP 3 SKEW FAULT. ACCOMPLISHED FIM 27-59-00. NO ABNORMALITIES NOTED. OPERATED FLAPS THROUGH 2 FULL CYCLES UP AND DOWN IAW AMM 27-51-00. NO FAULTS NOTED. OPERATIONAL CHECKED GOOD. AIRCRAFT WAS GROUNDED.