SDR AALA202203145460

Service difficulty report · Fseu · Boeing 737*

Difficulty date: March 13, 2022
Submitted: March 14, 2022
Operation: Air carrier
Aircraft: N827NN
Make and model: Boeing 737*
Aircraft serial: 33209
Aircraft time: 35,802 hours, 14,704 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Fseu
Condition: False Indication
Location: Zone 100 - Fuse
Stage of operation: AP
How discovered: V
Nature of condition: J
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: ON APPROACH TO DEN, DURING FLAP EXTENSION FROM 2 TO 5, FLAPS SPLIT, THEN LOCKED OUT. FLIGHT DECLARED AN EMERGENCY, LANDING SAFELY. ACCOMPLISHED FLAP / SLAT ELECTRONICS UNIT BITE TEST PER FIM 27-51-00. ACCOMPLISHED TRAILING EDGE FLAP TRANSMISSION TORQUE TRIP INSPECTION PER FIM 27-51-00. ACCOMPLISHED FLAP SKEW DETECTION FUNCTIONAL TEST PER AMM 27-59-00. ACCOMPLISHED FLAP POSITION TRANSMITTER ADJUSTMENT / TEST PER AMM 27-58-00. ALL SYSTEMS CHECK OK. NO FAULTS NOTED.