# SDR XU5A2026080600173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2026
- Submitted: August 6, 2026
- Operation: Air carrier
- Aircraft: [N903SH](https://openairdocs.org/aircraft/N903SH), registered now
- Make and model: Bolkms BK117C2
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Starter Gen
- Part number: 23081072
- Part serial: P2938
- Condition: Inoperative
- Location: Nr 2
- Stage of operation: CL
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/XU5A2026080600173

## Discrepancy

THE AIRCRAFT A LOSS OF LOAD INDICATION ON THE NR 2 GENERATOR FOLLOWED BY A BAT DISCHARGE CAUTION LIGHT. UPON INSPECTION OF THE AIRCRAFT IT WAS DETERMINED THAT THE NR 2 GENERATOR HAD FAILED IN A MANNER THAT ALSO CAUSED THE BUSS TIE SYS TO FUNCTION IMPROPERLY RESULTING IN THE FAILURE OF THE NR 1 GENERATOR’S ABILITY TO PROPERLY PICK UP THE FULL LOAD, THUS CAUSING A BATTERY DISCHARGE. AN OVERHAULED STARTER GENERATOR WAS INSTALLED AND ADJUSTED. ALL RELATED SYSTEMS WERE TESTED AND FOUND TO BE FUNCTIONING PROPERLY.

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