# SDR AALA20150520001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2015
- Submitted: May 21, 2015
- Operation: Air carrier
- Aircraft: N403A
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49314
- Aircraft time: 82,849 hours, 44,784 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Check Valve
- Part number: 59105215
- Condition: Stuck
- Location: Ac Bay
- 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/AALA20150520001

## Discrepancy

AIR INTERRUPT, EMER NOT DECLARED.  DURING CLIMB, TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED.  ACCOMPLISHED WC 36-95-14 & FOUND RT TAIL COMPARTMENT OVERHEAT SENSOR DUCT CHECK VLV STUCK CLOSED.  R & R CHECK VLV ASSEMBLY & RT & LT TAIL COMPARTMENT OVERHEAT SENSORS IAW AMM 36-20-00 & 36-20-02.  PERFORMED HIGH POWER ENG RUN FOR OPERATIONAL & LEAK CHECKS.  SYS CHECKED NORMAL.  SEE ALSO AALA20150521011 & AALA20150521012.

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