Service difficulty report · Transfer Pump · Amd FALCON20

Difficulty date
August 19, 2023
Submitted
August 22, 2023
Operation
Air carrier
Aircraft
N962AA
Make and model
Amd FALCON20
Aircraft serial
75
Aircraft time
19,305 hours, 13,920 cycles
Part
Transfer Pump
Part number
2060A01
Part serial
2284
Condition
Low Pressure
Location
Zone 100
Part time
2,100 hours, 1,308 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
B, A

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

What was found

CREW REPORTED THAT PREFLIGHT-TAXI-TAKEOFF-CLIMB-THROUGH CRUISE CHECK AT FL320 ALL FUEL INDICATIONS WERE NORMAL. 30 MINUTES LATER FO NOTICED THAT THERE WERE LESS THAN 500 LBS. INDICATING ON THE R/H FUEL GAUGE AND THE L/H FUEL GAUGE SHOWED 3500 LBS. THE CAPTAIN DIRECTED THE FO TO RUN THE “FUEL ASYMMETRY PROCEDURE. THE CAPTAIN LOOKED FOR A POSSIBLE DIVERSION AIRPORT FIRST, THEN ASKED ATC FOR THE CLOSEST AIRPORT WITH AT LEAST A 6000 FT RUNWAY. ATC INFORMED THEM THAT KARG WAS 70 MILES OUT. THE FO INITIATED CROSS FEED TO SEE IF THEY COULD KEEP THE RH FUEL TANK FROM DEPLETING TO 0. THE CAPTAIN DECLARED AN EMERGENCY DESCENT INTO KARG. THE AIRCRAFT LANDED SAFELY WITH 0 LBS. FUEL IN THE RH WING, 300 LBS. IN THE RH FEEDER TANK. AND 3200 LBS.IN THE LH WING. MAINTENANCE IN KARG FOUND THE WING PRE INTERCONNECT OUT OF ADJUSTMENT. THEY ADJUSTED THE WING PRE INTERCONNECT IAW MM 28-10-33. LEAK AND OPS. CHECKS NORMAL. THEY ALSO REMOVED AND REPLACED THE RH TRANSFER PUMP IAW MM 28-10-32. LEAK AND OPS. CHECKS BOTH NORMAL. NO OTHER DEFECTS NOTED AT THIS TIME