# SDR UIEA2018121702856

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2018
- Submitted: December 24, 2018
- Operation: Air carrier
- Aircraft: [N1327A](https://openairdocs.org/aircraft/N1327A), registered now
- Make and model: Boeing 767-37D
- Registry model: [Boeing 767-37D](https://openairdocs.org/model/boeing-767-37d) (OpenAirDocs)
- Aircraft serial: 26328
- Aircraft time: 82,743 hours, 11,893 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Unknown
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018121702856

## Discrepancy

APU INOP. REMOVED AND REPLACED FLOW SENSING MODULE IAW AMM 49-53-08. NO HELP. MINI FLAG TROUBLE CODES ON ECU: 14,15,16,120 PN OFF 3614400-7 S/N 492126. PERFORMED APU ECU BITE TEST IAW AMM 49-61-05. PERFORMED OPERATIONAL TEST OK.

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