Service difficulty report · Pressure Switch · Bolkms BK117C2

Difficulty date
February 16, 2022
Submitted
February 16, 2022
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
06720079116
Aircraft time
4,293 hours
Part
Pressure Switch
Part number
9550162490
Part serial
3228
Condition
Illuminated
Stage of operation
CR
How discovered
V
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

DURING CRUISE FLIGHT #2 FUEL PRESSURE LIGHT ILLUMINATED INTERMITTENTLY AND REPEATEDLY FOLLOWED BY #2 VARNR NEEDLE SPIKE TO APPROXIMATELY 8 FLI WITH #1 VARNAR NEEDLE DROPPING TO 1-2 FLI. ENGINE TGT AND OIL PRESSURE REMAINED STEADY DURING SEQUENCE WITH SMALL NR FLUCTUATIONS. REPLACED #2 ENGINE PRESSURE SWITCH IAW 73-31-00-900-801-A01. MTF COMPLETED IAW RFM. AIRCRAFT FLEW NORMALLY WITH NO DEFECTS FOR 1 HOUR.