Service difficulty report · Pilot Valve · Boeing 75729J

Difficulty date
November 9, 2023
Submitted
November 14, 2023
Operation
Air carrier
Aircraft
N757QM
Make and model
Boeing 75729J
Aircraft serial
27203
Aircraft time
65,544 hours, 34,135 cycles
Engine
Pwa PW2037
Engine time
53,901 hours, 23,175 cycles
Part
Pilot Valve
Part number
33990047
Part serial
760C
Condition
Faulty
Location
R Eng
Stage of operation
CR
How discovered
O
Nature of condition
S
Precautionary procedure
K

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

What was found

FLT NO: MGE 411. ESI - DUCT PSI SPLIT R-36, L-19. PERF/APU PG FOUND LEFT DUCT PRESS 36 AND RIGHT 6. PERFORMED PNEUMATIC HEALTH CHECK ON THE RIGHT ENG. FOUND HS PILOT FAILING. R/R HS PILOT PER AMM 36-11-08. PERFORMED HEALTH AGAIN AND PASSED.

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