# SDR IPXA2022042981570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2022
- Submitted: May 3, 2022
- Operation: Air carrier
- Aircraft: [N135UP](https://openairdocs.org/aircraft/N135UP), registered now
- Make and model: Airbus A300*
- Aircraft serial: 0818
- Aircraft time: 23,891 hours, 14,849 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: None
- Condition: None
- Location: Cabin
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2022042981570

## Discrepancy

INSPECTION TYPE:N/A**SUPPLEMENTAL SDR**LEFT ENGINE HP VALVE OPENS SPASTIALLY AND BLEED VALVE ALLOWS ONLY SMALL AMOUNT OUT AIR(OVERRESPONDING BURNED VALVE SMELL. DEFERRED HP VALVE PER MEL 36-11-03 DMP C/W. OPENED DMI # M 779908REMOVED #1 ENG HP VLV REF AMM 36-11-12. INSTALLED NEW HP VLV REF AMM 36-11-12. COMPLETED INSTALLATION OF #1 ENG HP VLV IAW A300 AMM 36-11-12. ALL CHECKS GOOD. THIS CLEARS M779908

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