Service difficulty report · Flap System · Boeing 737924ER

Difficulty date
December 27, 2021
Submitted
December 27, 2021
Operation
Air carrier
Aircraft
N68836
Make and model
Boeing 737924ER
Aircraft serial
60088
Aircraft time
21,698 hours, 7,692 cycles
Part
Flap System
Condition
Locked
Location
Te Flaps
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

*EMERGENCY DECLARED*FLAPS TRAILING EDGE FLAP LOCKOUT ON APROACH FLAP ASSYMETRY.FLAPS STUCK BETWEEN 0 AND 1 ENOUGH TIME TO DEBRIEF THE CREW BEFORE MOVE TEAM SHOWED UP TO PRESENT. PERFORMED FIM 27-51 TASK 820. ALL CHECKS NORMAL, NO MOVE AIRCRAFT. FAULTS AT THIS TIME. AS PRECAUTIONARY, R FLAP POSITION TRANSMITTER REQUIRES R&R. WENT FROM FLAPS 0 TO FLAPS 1. AP DISENGAGED, AND NOTICED FLAP PER FIM 27-51 TASK 836, PERFORMED FSEU BITE PROCEDURE IAW FIM ASSYMETRY ON THE PANEL. (NO FLIGHT DECK EFFECTS FELT WHILE 27-51 TASK 801. NO EXISTING FAULTS FOUND. FAULT HISTORY FLIGHT FLYING). HAPPENED AT 5000FT. LEADING EDGES EXTENDED JUST FINE. LEG 0 SHOWS FAULT MESSAGE "TE FLAP SNSR R." FAULT CODE 27-52260. ALT FLAPS USED TO EXTEND FLAPS. A/C ARRIVED AT M22B. WE HAD FAULT TYPE "INTERMTNT INACTIVE." NO OTHER FLIGHT LEG HISTORY ADD FAULT: 27-52260 R&R RH FLAP POSITION TRANSMITTER IAW AMM 27-58-01. FCC BITE LIBRARY NO. 34 AND FLAP SENSOR CHECK GOOD. ADD EMP:U375585,U375578 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1951740 SN OFF 2295 TRANSMITTER, FL OFF 59-2758-9-0002 2295 ON 59-2758-9-0002 2262