# SDR ASMF200405016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2004
- Submitted: May 18, 2004
- Operation: Air carrier
- Aircraft: N162PL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49765
- Aircraft time: 42,238 hours, 29,943 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Regulator Valve
- Part number: 39271411
- Part serial: P1621
- Condition: Failed
- Location: Cabin Pressure
- Part time: 10,757 hours, 7,412 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF200405016

## Discrepancy

AIRCRAFT RETURNED OF FLIGHT WHEN FAIL IN RIGHT AIR CONDITIONING SYSTEM AND ADVERSE WEATHER CONDITIONS.  AIRCRAFT FLIGHT WITH RT AIR CONDITIONING SYSTEM DEFERRED IAW MEL 21-1. DURING OVERNIGHT SERVICE, RT PRESSURE REGULATOR VALVE WAS REPLACED IAW MM 21-31-06, TEST CORRECT.

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