# SDR CALA2026010212627

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2025
- Submitted: January 2, 2026
- Operation: Air carrier
- Aircraft: [N63899](https://openairdocs.org/aircraft/N63899), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 62816
- Aircraft time: 27,969 hours, 10,462 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Spring
- Condition: Faulted
- Location: Lt Mlg Uplock
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026010212627

## Discrepancy

LEFT MAIN GEAR AFT UPLOCK SPRING COMPLETLY DETACHED FROM AC. SEARCH LANDING GEAR AND SUROUNDING AREA NO SPRING FOUND AND NO ADDITIONAL DAMAGE NOTED.  SPRING PLACED ON DEFFERAL NO FURTHER ACTION NOT REQUIRED.LT MLG DOWN LOCK SPRING IS MISSING LT MLG MISSING AFT DOWN LOCK SPRING. REF IPC 32-32-31-02 ITEM 105 29-3232-9-0001 AND MM 32-32-31-000-801 FOR PART REPLACEMENT. PLACING LEFT MAIN GEAR UPLOCK SPRING ON DEFFERAL. PLACED ON DEFFERAL DDP FOLLOWED.   INSTALLED LT MLG UPLOCK SPRING PER AMM 32-32-31 STEP G(1) TO (3).

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