Service difficulty report · Flap System · Boeing 737724

Difficulty date
December 2, 2022
Submitted
December 2, 2022
Operation
Air carrier
Aircraft
N24736
Make and model
Boeing 737724
Aircraft serial
28803
Aircraft time
72,826 hours, 24,636 cycles
Part
Flap System
Condition
Malfunctioned
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

*EMERGENCY*TE FLAP ASSYM 2 DEGREES LOCKED. CK''D NORMAL. CK''D SYNCHRO INPUTS (AMM 27-59-00-730-801), TEST IAW AMM 27-59-00-730-801. OPS CHECK GOOD. VERIFIED #3 SKEW SENSOR READING LOW. REPLACED LH INBD FLAP OTBD SENSOR IAW AMM 27-59-01-000-803 AND 27-59-01-400-803. PERFORMED FUNCTION UNLOCKED TO UPDATE. FSEU SHOWED FLAP 3 SKEW, 27-53252. T/S IAW FIM 27-59 TASK 803. CLEANED CONNECTORS ON FLAP 3 & 6 SKEW SENSORS AND LT FLAP POS TRANSMITTER. NO HELP. VERIFIED FLAP NOT SKEWED. CHECKED SKEW SENSOR ADJUSTMENT IAW AMM 27-59-00-820-801. #3 & #6 SKEW CONTROL RODS. REPLACED LH INBOARD FLAP OUTBOARD SENSOR. OPS CK GOOD.