# SDR UIEA2019020133051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2019
- Submitted: February 1, 2019
- Operation: Air carrier
- Aircraft: [N1049A](https://openairdocs.org/aircraft/N1049A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30109
- Aircraft time: 80,492 hours, 10,865 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Relay
- Part number: BACR13W2
- Part serial: NSN
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019020133051

## Discrepancy

APU FAULT FAILED TO START(<P>TRANSFER TO MDDR 106611 IAW MEL 49-11-01A.</P><P>ACCOMPLISHED OPERATIONAL TEST OF THE APU. WHEN TRU BREAKER IS PULLED, APU STARTS NORMALLY. SUSPECT TRU MIGHT BE FAILING IAW B767 AMM 49-40-00 AND 49-61-00. REPLACED K615 APU START RELAY IAW SWPM 20-81-14 OPS CHECK GOOD. THIS CLEARS MDDR 106611</P>)

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