# SDR CALA2026070117505

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2026
- Submitted: July 2, 2026
- Operation: Air carrier
- Aircraft: [N12216](https://openairdocs.org/aircraft/N12216), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28776
- Aircraft time: 83,958 hours, 31,101 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Interlock Valve
- Part number: 388052
- Condition: Faulty
- Location: Zone 700
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026070117505

## Discrepancy

LND GEAR LEVER WILL NOT COME UP AFTER TO PAST THE OFF POS SDR REPLACED CONNECTORS D11728 (S1050) AND D11730 (S1049) AS PER REF B737 SWPM 20-60-06 AND WDM 31-53-11 ,REPALCED GROUND SPOILER INTERLOCK VALVE ON NR #100043472 AND ACCOMPLSIHED GEAR SWING AS PER PER AMM 32-32-00-710-801, GEAR SWING OK NO DEFECTS NOTED, VERIFIED GEAR HANDLE GOES UP WITH OUT PULLING OVERRIDE TRIGGER WORK ACCOMPLISHED BY V903647 INSP-08

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