SDR AALA20161026018

Service difficulty report · Flap System · Boeing 737823

Difficulty date: October 26, 2016
Submitted: October 27, 2016
Operation: Air carrier
Aircraft: N830NN
Make and model: Boeing 737823
Aircraft serial: 31091
Aircraft time: 21,420 hours, 8,349 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap System
Condition: Malfunctioned
Stage of operation: AP
How discovered: O
Nature of condition: F
Precautionary procedure: L, A

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

What was found

DURING APPROACH TO SAN THE TRAILING EDGE FLAPS STOPPED AT APPROXIMATELY 8 - 9 DEGREES. DIVERTED TO ONT. FLAPS SET AT 15 DEGREES VIA ALTERNATE EXTENSION. EMERGENCY DECLARED. LANDING UNEVENTFUL. MAINTENANCE ACCOMPLISHED BITE CHECK OF FSEU WITH FAULT 27-52261 RETURNED. ACCOMPLISHED FIM 27-51-00810 TO CLEAR FAULT. ACCOMPLISHED VISUAL INSPECTION AND OPERATIONAL CHECK OF FLAPS. SYSTEM CHECKS NORMAL.