Service difficulty report · Valve · Boeing 737990ER

Difficulty date
January 4, 2022
Submitted
January 7, 2022
Operation
Air carrier
Aircraft
N448AS
Make and model
Boeing 737990ER
Aircraft serial
36356
Aircraft time
20,050 hours, 6,362 cycles
Engine
Cfmint CFM567B27E
Part
Valve
Part number
1821M59P06
Part serial
GRT17555
Condition
Leaking
Location
Nr 2 Engine
Part time
20,071 hours, 6,368 cycles
Stage of operation
IN
How discovered
O
Nature of condition
K, J
Precautionary procedure
K

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

What was found

ON PDC WALK AROUND FOUND A FUEL LEAK #2 ENGINE. GROUNDED - YES. PERFORMED ENG VENTS AND DRAIN INSPECTION ON #2 ENGINE. REF B737-900 AMM 71-71-00-200-801-F00. FOUND HPTACC LEAKING FUEL 60 DROPS A MINUTE. RUN #2 ENG. IDLE POWER FOR 5 MINUTES. NO LEAK FOUND AFTER ENGINE RUN. REPLACED #2 ENG HPTACC REF AMM 75-21-01. OPS CHECK GOOD, NO LEAKS DETECTED.