# SDR 95ZZZX2277

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N524AC](https://openairdocs.org/aircraft/N524AC), registered now
- Make and model: Bac 111419EP
- Aircraft serial: BAC120
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Relief Valve
- Part number: AB50B1927
- Condition: Leaking
- Location: Heat Exchanger
- Part time: 8,480 hours
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX2277

## Discrepancy

AFTER CLIMB-OUT, AIRCRAFT EXPERIENCED A STUB WING OVERTEMP WITH SUBSEQUENT PACK TRIP ON THE LT SIDE.  PILOT RETURNED TO BASE.  INSPECTION REVEALED HEAT EXCHANGER 'BLOW-OUT' RELIEF VALVE LEAKING BLEED AIR INTO STUB WING.  VALVE WAS REPLACED WITH NO FURTHER PROBLEMS.

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