Service difficulty report · Drain Line · Boeing 7379

Difficulty date
June 3, 2022
Submitted
June 6, 2022
Operation
Air carrier
Aircraft
N972AK
Make and model
Boeing 7379
Aircraft serial
43389
Aircraft time
691 hours, 193 cycles
Engine
Cfmint LEAP1B28
Part
Drain Line
Part number
2566M05P04
Part serial
WYGF8138
Condition
Leaking
Location
#1 Engine
Part time
686 hours, 192 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

DURING NO.1 ENGINE IDLE RUN FOUND FUEL LEAK FROM MAIN FUEL PUMP PAD DRAIN LINE (MORE THAN 90 DROPS/MIN). GROUNDED - YES. R/R #1 ENGINE MAIN FUEL PUMP IAW B737-9 AMM 73-11-01. OPS CHECK OK. NO LEAK NOTED. A/C OK FOR SERVICE.

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