# SDR CALA2022051301218

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2022
- Submitted: May 13, 2022
- Operation: Air carrier
- Aircraft: [N2135U](https://openairdocs.org/aircraft/N2135U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 62646
- Aircraft time: 21,040 hours, 2,299 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Mask
- Part number: 418W20102162B
- Condition: Unserviceable
- Location: Seat 33 & 46 Def
- Stage of operation: TX
- How discovered: O
- Nature of condition: Z
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022051301218

## Discrepancy

SEAT 33DEFG & 46DEF O2 MASKS DID NOT DEPLOY DURING INADVERTENTLY DEPLOYMENT OF ALL MASKS. NEED TO CREATE A SDR. SEE LP''S 8563975, 8564803, AND 8564813. CORRECTION ACTION: REPACKED MASKS AND ACCOMPLISH AN DEPLOYMENT OPERATIONAL CHECK. DEPLOYED NORMALLY AND SOLD TO INSPECTION.

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