# SDR IPXA2020100661034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2020
- Submitted: October 7, 2020
- Operation: Air carrier
- Aircraft: N279UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48573
- Aircraft time: 76,382 hours, 15,029 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Relief Valve
- Condition: Ruptured
- Location: L1 Door Bottle
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2020100661034

## Discrepancy

INSPECTION TYPE: NA, ON PREFLIGHT, L1 CREW ENTRY DOOR BELOW GREEN BAND.  NEEDS PNEUMATIC SERVICED.  PRESSURE RELIEF VALVE RUPTURED DURING SERVICING.  R & R FWD LEFT CABIN DOOR EMERGENCY OPEN RESERVOIR AND SERVICED SAW AMM 52-11-35 IPC: 52-11-35-01-001L.

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