# SDR CALA2011062900456

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2011
- Submitted: June 29, 2011
- Operation: Air carrier
- Aircraft: [N66057](https://openairdocs.org/aircraft/N66057), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29452
- Aircraft time: 44,763 hours, 6,425 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Relay
- Part number: TDH18535001
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2011062900456

## Discrepancy

PASSENGER OXYGEN PSU MANUAL DEPLOY TEST FAILED OXYGEN CONT MANUAL DEPLOY TIME DELAY RELAY K466 REPLACED AND OXYGEN PSU MANUAL DEPLOY OPERATION TEST CARRIED OUT NORMAL REF AMM 35-21-00.

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