Service difficulty report · Oil System · Bolkms BK117C2

Difficulty date
August 31, 2022
Submitted
August 31, 2022
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
13722809536
Aircraft time
3,529 hours
Part
Oil System
Condition
Leaking
Location
Nr 1 Engine
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

MULTIPLE EVENTS OF #1 ENG LEAKING OIL EXCESSIVELY. A TEST FLIGHT EVALUATION FOUND #1 ENG BURNING OIL AT A RATE OF APPROXIMATELY 1 QUART EVERY 35-40 MIN OF FLIGHT TIME. SOOT FOUND ON EXHAUST DUCT/ELONGATOR AND OIL BURNING SMELL WAS PRESENT DURING SHUTDOWN. REMOVED AND REPLACED MODULE 04 ASSY. T/F MOC COMPLETED IAW MSM 05-60-00, 6-12. CHECKS OK.