# SDR AT0500007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2005
- Submitted: February 7, 2005
- Operation: Air carrier
- Aircraft: N176AT
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 32654
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Deployed
- Location: Cabin
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AT0500007

## Discrepancy

SEAT 1 ABC AND 28 ABC O2 MASKS DROPPED ON CLIMBOUT.  PRSSURIZATION REMAINS NORMAL, O2 GENERATORS DID NOT FIRE.  BOTH SEAT ROWS ARE BLOCKED AND NOT USABLE.  PERFORMED A MANUAL DROP OF ALL PAX O2 MASKS AND OPS CHECKED NORMAL.  T/S PSU WIRING TO PSU SWITCH MODULES AND ALL CHECKED GOOD.  ITEM REMAINS ON MEL.

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