# SDR CALA2026041615418

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2026
- Submitted: April 16, 2026
- Operation: Air carrier
- Aircraft: [N76529](https://openairdocs.org/aircraft/N76529), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31652
- Aircraft time: 48,129 hours, 17,445 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026041615418

## Discrepancy

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.

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