Service difficulty report · Bleed Valve · Bolkms BK117C2

Difficulty date
April 22, 2026
Submitted
April 22, 2026
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
9756
Aircraft time
4,282 hours
Part
Bleed Valve
Part number
9550164740
Condition
No Indication
Location
Nr 2 Engine
Stage of operation
TX
How discovered
V
Nature of condition
F
Precautionary procedure
C

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

What was found

DURING START RUN-UP ENG NR 2 BLEED VALVE WOULD NOT INDICATE ON CAD BEFORE TAKEOFF. MTF MOC REVEALED #2 BLEED VALVE INDICATED CLOSED AFTER START. DURING THE BLEED VALVE CHECK, THE LIGHT DID NOT INDICATE THE VALVE OPENING OR CLOSING. REMOVED AND REPLACED BLEED VALVE IAW SAFRAN ENGINE MAINT MANUAL 75-31-00-900-804-A01.