# SDR SCNA01325

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2001
- Submitted: June 21, 2001
- Operation: Air carrier
- Aircraft: N285SC
- Make and model: Boeing 727-2J4
- Registry model: [Boeing 727-2J4](https://openairdocs.org/model/boeing-727-2j4) (OpenAirDocs)
- Aircraft serial: 21676
- Aircraft time: 65,116 hours, 25,671 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Manifold
- Part number: 11501302
- Part serial: 5004
- Condition: Leaking
- 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/SCNA01325

## Discrepancy

DURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD AT PSU 4L FAILS LEAK CHECK.  REPLACED PSU OXYGEN MANIFOLD PER B727 MM 252131.  LEAK CHECK AND OPS CHECK GOOD IAW B727 MM 352100.

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