# SDR CNMA20100024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2010
- Submitted: May 20, 2010
- Operation: Air carrier
- Aircraft: [N603AX](https://openairdocs.org/aircraft/N603AX), registered now
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 48267
- Aircraft time: 72,182 hours, 11,927 cycles
- Engine: Ge CF650C2B
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Duct
- Part number: 9054M52601
- Condition: Blown
- Location: Nr 1 Engine
- 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/CNMA20100024

## Discrepancy

NR 1 ENGINE FIRE WARNING DURING CLIMB OUT AT 13000 FT.  N1'S 103.5. FIRE WARNING EXTINGUISHED WHEN THROTTLE WAS RETARDED.  COMPLIED WITH QRH 4-1-1-1.  INSP NR 1 ENG FOUND BLOWN DUCT FOR HP RECOUP AIR ASSY.  REPLACED NR 1 ENG HP RECOUP AIR ASSY DUCT WITH SERVICABLE DUCT ASSY PN 9054M52G01 REF MM 75-15, LEAK CHECKED OK WITH HIGH POWER RUNS REF JRH.

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