Service difficulty report · Transmitter · Bolkms BK117C2

Difficulty date
January 6, 2023
Submitted
January 6, 2023
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
18724219807
Aircraft time
2,357 hours
Part
Transmitter
Part number
9550166110
Part serial
2659
Condition
Faulted
Location
Oil Pressure
Stage of operation
HO
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

NR 1 ENGINE OIL PRESSURE READING 0.2 BAR AFTER REACHING IDLE. MAINTENANCE CLEANED AND RESEATED CONNECTOR ON #1 ENGINE OIL PRESSURE TRANSMITTER IAW AMM 77-32-00, 1-1. DURING MOC OF #1 ENGINE OIL PRESSURE, OIL PRESSURE DID NOT INCREASE DURING START, BUT #1 ENG OIL P MESSAGE WENT OUT AT A NORMAL TIME, INDICATING THAT OIL PRESSURE WAS NORMAL, BUT INDICATION WAS IMPROPER. WHILE AT GROUND IDLE ENGINE OIL PRESSURE INDICATION SLOWLY CREPT UP FROM 0.0 TO ABOUT 2.4. REMOVED AND REPLACED #1 ENG OIL PRESSURE TRANSMITTER IAW ARRIEL 1 E2 79-36-00-900-801-A01.