Service difficulty report · Flap System · Boeing 737823

Difficulty date
July 25, 2026
Submitted
July 27, 2026
Operation
Air carrier
Aircraft
N952AA
Make and model
Boeing 737823
Aircraft serial
30088
Aircraft time
69,202 hours, 29,635 cycles
Part
Flap System
Condition
Asymetric
Location
Zone 500
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

AIRCRAFT WAS GROUNDED: FLAP ASYMMETRY BETWEEN 10 AND 15. LEADING EDGE FLAP TRANSIT ILLUMINATED. DECLARED EMERGENCY AND RAN QRH. LANDED 170KTS 143K LBS. ACCOMPLISHED FIM 27-51-00-810-832. CONFIRMED SENSORS READINGS WITHIN LIMITS AND CONFIRMED TORQUE TUBES AND TRANSMISSION ARE OK, NO DAMAGE OR DELTA P POPPED.CYCLE FLAPS 4 TIMES AND PERFORMED FSEU BITE CHECK, NO FAULTS FOUND. IAW 27-51-00-810-801. AIRCRAFT HAS FLOWN 6 FLIGHTS SINCE WITHOUT A REPEAT.