# SDR CALA2026011312914

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2026
- Submitted: January 13, 2026
- Operation: Air carrier
- Aircraft: [N658UA](https://openairdocs.org/aircraft/N658UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27113
- Aircraft time: 130,158 hours, 19,978 cycles
- System (JASC): [5250 · Fixed Inner Doors](https://openairdocs.org/jasc/5250)
- Part: Lock
- Condition: Failed
- Location: Flt Deck Door
- 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/CALA2026011312914

## Discrepancy

FLT DECK DOOR LOCK FAILED AFTER PUSHBACK AND WOULD NOT RESET. MEL 5251C APPLIED BY FLIGHT CREW NOC.MEL 5251C APPROVED MEL 5251C APPLIED *DM* RECOMMEND FIM 52-52 FAULT TREE 812 FOR INITIAL T/S ON INITIAL EVAL COULD NOT GET FLT DK ELECTRIC DOOR LOCK TO FAIL. OPERATED DOOR SEVERAL XS ALL XS ELECTRIC LOCK FUNCTION NORMAL. REF MM52-51-00-715-033. DUE TO RECENT FAULTS WITH FLT DK ELECTRIC LOCK SYS, REPLACED CHIME MODULE IAW MM52-51-10, AND PROGRAMED ACCESS CODE AND TIME DELAY FUNCTIONS IAW MM52-51-00-902-001-001 AND MM52-51-00-902-003-0 01. FLT DK ELECTRIC DOOR LOCK FUNCTIONS CHKD GOOD, DECAL AND PLCD HAVE BEEN REMOVED. ALSO REF IPC 52-51-03-01 FOR PTS DATA, AND SSM 52-51-01-101.1 FOR ELECT OPS.

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