# SDR AALA20050581

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2005
- Submitted: September 13, 2005
- Operation: Air carrier
- Aircraft: [N9630A](https://openairdocs.org/aircraft/N9630A), registered now
- Make and model: Doug MD 83
- Registry model: [Doug MD 83](https://openairdocs.org/model/mcdonnell-douglas-md-83) (OpenAirDocs)
- Aircraft serial: 53561
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Valve
- Part number: 39244421
- Condition: Inoperative
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20050581

## Discrepancy

DEN INFLT T887/09 SEPT  SEVERAL MINUTES AFTER ENGINE WAS ON WING ICE, SMOKE WAS PRESENT IN COCKPIT AND CABIN.  DIVERTED TO DEN AND LANDED WITHOUT INCIDENT.  TURNED ANTI ICE ON AGAIN AND SMOKE REAPPEARED.  PRESSURE ABNORMAL LIGHT ILLUMINATED.  REPLACED ANTI ICE PRESSURE REGULATING AND SHUT OFF VALVE. SYSTEM GROUND CHECKED NORMAL OPERATION.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.