Service difficulty report · Pilot Valve · Boeing 75729J

Difficulty date
August 4, 2021
Submitted
August 5, 2021
Operation
Air carrier
Aircraft
N757QM
Make and model
Boeing 75729J
Aircraft serial
27203
Aircraft time
62,587 hours, 33,284 cycles
Engine
Pwa PW2037
Engine time
55,686 hours, 19,466 cycles
Part
Pilot Valve
Part number
33990047
Part serial
861C
Condition
Faulted
Location
Lt Engine
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

LEFT ENG BLEED OFF AT FLIGHT IDLE. DISCREPANCY WAS DUE TO A CONFIRMED HP PILOT WHICH WAS REPLACED AND CONFIRMED OPRATIONAL DURING ENGINE RUNS.

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