Service difficulty report · Valve · Boeing 737824

Difficulty date
April 15, 2026
Submitted
April 16, 2026
Operation
Air carrier
Aircraft
N76529
Make and model
Boeing 737824
Aircraft serial
31652
Aircraft time
48,129 hours, 17,445 cycles
Part
Valve
Part number
3941001001
Part serial
0941
Condition
Faulty
Location
Zone 100
Part time
42,496 hours, 15,595 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F, J
Precautionary procedure
L, A

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

What was found

ON APPROACH LE FLAPS TRANSIT LITE ILLUMINATE D. CREW STATES THAT ON FIRST APPROACH, AC ENCOUNTERED STRONG GUSTS OF WIND. AFTER, FLAPS WOULD NOT EXTEND PAST 25. CREW INITIATED GO AOUND AND ON 2ND APPROACH, FLAPS WOULD NOT EXTEND PAST 15. PLANE PULLED INTO GATE WITH FLAP LEVER AT 0 AND SLATS STILL AT 1 PERFORMED FIM 27-81 TASK 806, UP TOO F.(12)(M), NEXT STEP, REPLACE LEADING EDGE CRUISE DEPRESS. VALVE. REMOVED AND REPLACED LE CRUISE DEPRESSURIZATION VALVE IAW AMM 27-81-52 AND PERFORMED OPS TEST IAW AMM 27-81-00-730-801. OPS TEST GOOD.