Service difficulty report · Starter Gen · Bolkms BK117C2

Difficulty date
August 4, 2026
Submitted
August 6, 2026
Operation
Air carrier
Aircraft
N903SH
Make and model
Bolkms BK117C2
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

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.