# SDR AALA20090818BNA01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2009
- Submitted: August 21, 2009
- Operation: Air carrier
- Aircraft: [N554AA](https://openairdocs.org/aircraft/N554AA), registered now
- 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: 53084
- Aircraft time: 54,315 hours, 27,707 cycles
- System (JASC): [3000 · Ice/Rain Protection System](https://openairdocs.org/jasc/3000)
- Part: Regulator Valve
- Part number: 39244421
- Condition: Inoperative
- Location: Anti-Ice Sys
- 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/AALA20090818BNA01

## Discrepancy

BNA - INFLIGHT DCA-DFW.  ICE PROTECT PRESSURE ABNORMAL LIGHT ILLUMINATED.  EMERGENCY DECLARED, LANDED BNI WITHOUT INCIDENT.  REPLACED PRESSURE REGULATING VALVE.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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