# SDR CALA2009101900631

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2009
- Submitted: October 19, 2009
- Operation: Air carrier
- Aircraft: [N79402](https://openairdocs.org/aircraft/N79402), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30119
- Aircraft time: 25,892 hours, 10,677 cycles
- System (JASC): [2520 · Passenger Compartment Equipment](https://openairdocs.org/jasc/2520)
- Part: Psu
- Part number: 417N3011601D
- Part serial: 07L19
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2009101900631

## Discrepancy

PASSENGER O2 MASK DOOR AT 11ABC WILL NOT FULLY RELEASE DURING O2 DROP TEST.  REPLACED PSU AT ROW 11ABC P/N 417N3011-601D, S/N 07L19 IAW AMM 25-23-61.  PERFORMED OPS CHECK AS PER AMM 35-22-00 WITH NO FURTHER DEFECTS NOTED.  REMOVED SAFETY PIN.

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