# SDR CA160302015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2016
- Submitted: April 22, 2016
- Operation: General aviation
- Make and model: Bombdr DHC8400
- Aircraft time: 7,775 hours
- Engine: Pwc PW150A
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Generator
- Condition: Faulty
- Location: Ac Sys
- Stage of operation: TO
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA160302015

## Discrepancy

(CAN) REJECTED TAKEOFF AT 50 KTS DUE NR 1 AC GEN FAILURE. RESET UNSUCCESSFUL MAINTENANCE TROUBLESHOOTING AS FOLLOWS: NO.1 AC GEN CHIP DETECTOR INSPECTED, NO METAL FOUND.  NO.1 AC GENERATOR S/N 1152218-00724 REMOVED AND NEW S/N 1152218-00699 INSTALLED IAW AMM 24-21-01-000-801/24-21-01-400-801 WHICH FAILED DURING OPERATIONAL TESTS.  NO.1 AC GEN CHIP DETECTOR SCREEN FOUND FULL OF NON-MAGNETIC DEBRIS AND FINE ALUMINUM WIRE. AT THIS TIME, IT IS UNKNOWN WHICH AC GEN CAUSED THE DEBRIS. SHOP VENDOR TEAR DOWN REPORTS HAVE BEEN REQUESTED.  NO.1 AC GEN S/N 1152218-00699 REMOVED AND S/N 1152218-00659 INSTALLED WITH OPERATIONAL TEST C/O IAW TASK 24& 8722,21& 8722,01& 8722,000& 8722,801/24& 8722,21& 8722,01& 8722,400& 8722,801 & TASK 24-21-00-710-801 WITH NO FAULT FOUND.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.