Service difficulty report · Pump · Boeing 7379

Difficulty date
September 20, 2022
Submitted
September 21, 2022
Operation
Air carrier
Aircraft
N934AK
Make and model
Boeing 7379
Aircraft serial
43374
Aircraft time
1,823 hours, 537 cycles
Engine
Cfmint LEAP1B21
Part
Pump
Part number
2566M05P04
Part serial
WYGM3307
Condition
Leaking
Location
#2 Engine
Part time
2,338 hours, 715 cycles
Stage of operation
IN
How discovered
V
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

WHILE ACCOMPLISHING EXTERIOR CHECK OBSERVED ENG #2 LEAKING FUEL FROM DRAIN MAST. GROUNDED - YES. REMOVED AND REPLACED ENG #2 MAIN FUEL PUMP REF B737-9 AMM 73-11-01-400.

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