SDR AALA202604214776

Service difficulty report · Flap System · Boeing 737823

Difficulty date: April 20, 2026
Submitted: April 22, 2026
Operation: Air carrier
Aircraft: N342PM
Make and model: Boeing 737823
Aircraft serial: 31269
Aircraft time: 24,986 hours, 11,010 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, J
Precautionary procedure: A

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

What was found

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: ON APPROACH AS WE EXTENDED THE FLAPS TO 30, THE FLAPS DID NOT EXTEND TO THE COMMANDED POSITION; ONE WAS STUCK AT 15 AND THE OTHER BETWEEN 15 AND 25. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT JFK. ACCOMPLISHED FIM TASK 27-51-00-810-840. NO FAULTS FOUND ON PSEU. OPERATED FLAPS UP AND DOWN SEVERAL TIMES. PER M/M 27-51-00 COULD NOT DUPLICATE FAULT. ALL OPS AND LEAK CHECKS GOOD. NO FAULT FOUND.