Service difficulty report · Valve · Boeing 737890

Difficulty date
October 24, 2022
Submitted
October 28, 2022
Operation
Air carrier
Aircraft
N581AS
Make and model
Boeing 737890
Aircraft serial
35188
Aircraft time
54,363 hours, 16,168 cycles
Engine
Cfmint CFM567B27
Part
Valve
Condition
Leaking
Location
Nr 1 Eng
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

#1 ENG HPTACC VALVE FOUND TO HAVE FUEL LEAK AFTER SHUT DOWN OF APPROX. 7 DPM. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE HPTACC VALVE REF B737-800 AMM 75-21-01. OPS CHECK GOOD AT THIS TIME WITH NO LEAKS DETECTED.