Service difficulty report · Valve · Boeing 737852

Difficulty date
February 8, 2021
Submitted
April 8, 2021
Operation
Air carrier
Aircraft
N825AM
Make and model
Boeing 737852
Aircraft serial
36699
Aircraft time
24,961 hours, 9,349 cycles
Part
Valve
Part number
32911866
Part serial
GRT01720
Condition
Leaking
Location
Rt Hpt
Part time
25,125 hours, 9,066 cycles
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

DURING TRANSIT CHECK, IT WAS DETECTED A FUEL LEAK AT RIGHT ENGINE. MAINTENANCE PERSONNEL PERFORMED REVISION, DETECTING THE RIGHT ENGINE HPTACC VALVE DRAIN AND SERVO FUEL HEATER LEAKING; SO THE HPTACC VALVE WAS REPLACED IAW AMM 75-21-01 AND THE SERVO FUEL HEATER WAS REPLACED IAW AMM 73-21-07, TESTED CORRECT.