SDR AALA201901029014

Service difficulty report · Flap System · Boeing 737823

Difficulty date: January 1, 2019
Submitted: January 2, 2019
Operation: Air carrier
Aircraft: N941NN
Make and model: Boeing 737823
Aircraft serial: 33232
Aircraft time: 15,684 hours, 5,715 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap System
Condition: Malfunctioned
Location: Te Flaps
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

ON APPROACH, THE FLAPS WOULD NOT EXTEND BEYOND 15 WHEN THE FLAP HANDLE WAS MOVED TO 25. RETURNED FLAP HANDLE 15 POSITION, AN EMERGENCY DECLARED AND DIVERTED, LANDED WITH SELECTED FLAPS WITHOUT FUTHER INCIDENT. THE AIRCRAFT WAS GROUNDED. MAINTENANCE PERFORMED TASK 27-51-00-860-801 AND TASK 27-51-00-710-801, NO DEFECTS NOTED. MAINTENANCE ALSO PERFORMED A FLIGHT RECORDER DATA RETRIEVAL PROCEDURE IAW CARD 31-92-11, AND PERFORMED SATISFACTORY OPERATIONAL CHECK.