# SDR DL757971654

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N645DL
- Make and model: Boeing 757232
- Aircraft serial: 24216
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Psus
- Condition: Malfunctioned
- Location: Cabin
- Component: 417T3100
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL757971654

## Discrepancy

THE FOLLOWING PSUS DID NOT OPEN WHEN O2 SYS ACTIVATED PASSING 36,000 FT, WHEN CABIN LOST      PRESSURIZATION 2AB, 2CD, 23DEF, 24ABC, 34DEF, 37DEF.  DNTC REPLACED ABOVE LISTED PSUS.

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