Service difficulty report · Sensor · Boeing 737832

Difficulty date
February 6, 2021
Submitted
February 8, 2021
Operation
Air carrier
Aircraft
N3764D
Make and model
Boeing 737832
Aircraft serial
30818
Aircraft time
61,273 hours, 22,322 cycles
Part
Sensor
Condition
Malfunctioned
Location
Flap Skew
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

SHIP 3764 -MISC- DECLARED EMERGENCY ON APPROACH DUE TO TRAILING EDGE FLAP ASYMMETRY AT 15 UNITS WITH SPLIT INDICATION. PERFORMED GO AROUND AND SET FLAPS TO 10 DEGREES. CORRECTIVE ACTION: PERFORMED FSEU BITE CHECK. IDENTIFIED FAULT CODE 27-53254 (FLAP 5 SKEW). REPLACED SKEW SENSORS #4-#5. FOUND FLAP TORQUE LIMITERS #6-#8 TRIPPED. RESET SAME. DRAINED AND RE-SERVICED ALL 8 FLAP TRANSMISSIONS. OPS CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.