# SDR IPXA09M55740

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2009
- Submitted: May 4, 2009
- Operation: Air carrier
- Aircraft: [N254UP](https://openairdocs.org/aircraft/N254UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48406
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Overheat Loop
- Condition: Faulty
- Location: E&E Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA09M55740

## Discrepancy

ATB - CREW CALLED DISPATCH WITH AN AVIONICS FAN FLOW INDICATION POSSIBLE OVERHEAT.  RETURNED TO HNL.  LANDED WITHOUT INCIDENT.  DEFERRED MANIFOLD FAIL DET LOOP.  FOUND D1-117 2.9 MEGA OHMS RO GND AND C5-13420 M OHMS TO GND.  REPLACED D1-117 PER MM 36-23-07.  REMOVED AND REPLACED C5-134 SWPM.  TESTS GOOD.

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