# SDR DHLA2012010600001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2012
- Submitted: January 12, 2012
- Operation: Air carrier
- Aircraft: [N803DH](https://openairdocs.org/aircraft/N803DH), registered now
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46123
- Aircraft time: 88,735 hours, 33,210 cycles
- Engine: Ge CFM562C1
- Engine time: 5,044 hours, 2,280 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 472450
- Part serial: 5023
- Condition: Malfunctioned
- Location: Nr 3 Nacelle
- Part time: 6,608 hours, 2,943 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: E, F, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHLA2012010600001

## Discrepancy

NR 3 ENGINE FIRE WARNING, PHASE ONES COMPLETED & ENGINE CHECKLIST, FIRED BOTTLE, LIGHT WENT OUT. OIL PRESSURE WAS POSITIVE.  ACFT DIVERTED, ACFT WAS GROUNDED.  INSPECTED ENGINE IAW MM 72-00-00.  NO DEFECTS NOTED.  INSPECTED ENGINE FOR EVIDENCE OF POSSIBLE FIRE IAW MM 72-00-00, .  NO DEFECTS FOUND.  R & R RT WING OTBD FIRE BOTTLE IAW MM AMMS 26-20-01.  INSPECTION & TESTED A & B FIRE LOOPS NR 3 ENGINE ACCESSORIES BAY, CORE COMPT, & UNDERSIDE OF PYLON.  ALL TEST WITHIN LIMITS IAW ACFT MM 26-10-0, CODE 50,  ADJ/TEST.  NR 3 ENGINE REQ'S RUN TO CK FOR POSSIBLE DUCT LEAKS. REPLACED EGT PIGTAIL HARNESSES TO J TECH HARNESSES.  FOUND LEFT FIRE LOOP WITH LOW RESISTANCE, R & R LOOP IAW SWPM 20-62-16, OPS CHECKED SERVICEABLE IAW W/O 10588.

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