# SDR 2007UALA00758

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2007
- Submitted: March 20, 2007
- Operation: Air carrier
- Aircraft: [N426UA](https://openairdocs.org/aircraft/N426UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 510
- Aircraft time: 41,937 hours, 15,129 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Unknown
- Condition: Unknown
- Location: Door Warning
- Stage of operation: CR
- 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/2007UALA00758

## Discrepancy

FLIGHT DIVERTED DUE TO A FLIGHT DECK DOOR UNLOCK INDICATION.  [SUP 06-01-07]  FAULT TRACED TO A FAULTY COCKPIT SYSTEM CONTROL UNIT. UNIT WAS REPLACED AND KEYPAD WAS REPROGRAMMED.

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