# SDR UALA2012040202027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2012
- Submitted: April 25, 2012
- Operation: Air carrier
- Aircraft: [N107UA](https://openairdocs.org/aircraft/N107UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 26900
- Aircraft time: 56,253 hours, 6,716 cycles
- Engine: Pwa PW4056
- System (JASC): [5250 · Fixed Inner Doors](https://openairdocs.org/jasc/5250)
- Part: Solenoid
- Condition: Faulted
- Location: Cockpit Door
- Stage of operation: NR
- How discovered: 9
- Nature of condition: M
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012040202027

## Discrepancy

FLIGHT CREW NOTICED BURNING OZONE ODOR IN COCKPIT.  KEY PAD VERY HOT TO THE TOUCH.  CIRCUIT BREAKERS ON THE P6-3 PANEL D21 AND D25.  REPLACED COCKPIT DOOR SOLENOID AND FLIGHT DECK DOOR CHIME MODULE.  ALL MODES OPS CHECKED GOOD.  KEY PAD NORMAL, CIRCUIT BREAKERS RESET.

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