Service difficulty report · Probe · Bombdr BD7001A10

Difficulty date
October 8, 2025
Submitted
October 20, 2025
Operation
Air carrier
Aircraft
N148QS
Make and model
Bombdr BD7001A10
Aircraft serial
9648
Aircraft time
10,441 hours, 3,755 cycles
Part
Probe
Part number
GP42215019
Part serial
1360
Condition
Defective
Stage of operation
CR
How discovered
L
Nature of condition
J
Precautionary procedure
O

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

What was found

DURING FLT, AMBER FUEL IMBALANCE CAS MESSAGE CAME ON IMMEDIATELY, RT SIDE INCREASE BY 2900 LBS. TOTAL FUEL ALSO INCREASED BY 2900 LBS. FOLLOWED QRH FUEL IMBALANCE. FUEL IMBALANCE BEGAN TO CORRECT. IMBALANCE CONINTUED TO CORRECT & STOPPED. TOTAL FUEL BEGAN TO INCREASE BY APPROX 1000 LBSS. BEGAN TO FUTHER DESCEND ON ARRIVAL, TOTAL FUEL BEGAN INCREASING. DURING DECSENT AP HOLD RWD MESSAGE CAME ON MOMENTARILY TWICE. CYAN FUEL TRANSER DISPLAYED MULTIPLE TIMES. AT BEGINING OF APPROACH TOTAL FUEL IND SHOWED 3500LBS MORE THAN WAS CALCULATED IN FLT PLAN. ON SHORT FINAL AFTER DISCONNECTING AUTOPILOT MORE RT WING DOWN CONTROL IMPUT REQUIRED. AFTER LANDING, TOTAL FUEL QTY SHOWED 10,900LBS. 20 MINS AFTER ENG SHUTDOWN TOTAL FUEL SHOWED 5700LBS & LT TANK SHOWED 4200LBS & RT SIDE SHOWED 1450LBS. 40 MIN AFTER SHUTDOWN TOTAL FUEL SHOWED 5600LBS & BOTH TANKS SHOWED BALANCED REPLACED FUEL PROBE. PERFORMED IAW AMM 28-41-09. OPS CHECK GOOD.