# SDR P5CA2020010980006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2020
- Submitted: January 15, 2020
- Operation: Air carrier
- Aircraft: N643GT
- Make and model: Boeing 767-3JHF
- Registry model: [Boeing 767-3JHF](https://openairdocs.org/model/boeing-767-3jhf) (OpenAirDocs)
- Aircraft serial: 37809
- Aircraft time: 16,526 hours, 4,553 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Tru
- Part number: 28VS200YB2
- Part serial: 99108272
- Condition: Failed
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2020010980006

## Discrepancy

APU FAULTED AFTER THREE ATTEMPTS.  IAW FIM 49-11 FT 987, 988, PERFORMED APU BITE TEST. FOUND BATTERY START APU OK, BUT APU TRU INOPERATIVE.   APU START TRU REPLACED AND TESTED SERVICEABLE IAW AMM 24-32-04.

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