# SDR AT9900266

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N809AT](https://openairdocs.org/aircraft/N809AT), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47322
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Duct
- Part number: 491334
- Condition: Defective
- Location: Nr 1 Engine
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AT9900266

## Discrepancy

NR 1 ENGINE FIRE WARNING WITH CLIMB POWER THROTTLE TO IDLE WARNING CEASED IMMEDIATELY.  REMOVED AND REPLACED HEAT DUCT IAW PRATT AND WHITNEY MM 72-00.

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