# SDR CALA2024070800150

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2024
- Submitted: July 8, 2024
- Operation: Air carrier
- Aircraft: [N69830](https://openairdocs.org/aircraft/N69830), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 44560FAL
- Aircraft time: 32,350 hours, 11,795 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Box
- Part number: 4576100001
- Condition: Stuck
- Location: Lavatory E
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024070800150

## Discrepancy

LAV E MASK DID NOT DEPLOY DURING DEPRESSURIZATION EVENT. REF LP 8493949 FLAGGED FOR SDR FOUND PSU OXYGEN DOOR STUCK CLOSED. RESET DOOR AND REPACKED MASKS AMM 35-22-31. MASKED DROPPED CORRECTLY DURING OXYGEN DROP TEST REF AMM 35-22-00-700-802

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