SDR 2022F00399

Service difficulty report · Gearbox · Amd FALCON7X

Difficulty date
October 3, 2022
Submitted
October 7, 2022
Operation
General aviation
Aircraft
N990HA
Make and model
Amd FALCON7X
Aircraft serial
036
Engine
Pwc PW307A
Part
Gearbox
Part number
30P210901
Part serial
NYAA000A127
Condition
Cracked
Location
Nr 3 Engine
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
K

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

What was found

RECEIVED WO TO PERFORM FWD HYD PUMP SEAL REPLACEMENT ON GEARBOX ENG#3 DUE TO SUSPECT ENGINE OIL LEAK. NOTED HYD LEAK INSTEAD OF OIL LEAK. NOTED ALSO LOWER ENGINE COWL ENGINE OIL CONTAMINATED. PERFORMED ENGINE RUN UP AND FOUND CRACK ON GEARBOX.