Service difficulty report · Pilot Valve · Boeing 75729J

Difficulty date
December 2, 2019
Submitted
January 7, 2020
Operation
Air carrier
Aircraft
N757QM
Make and model
Boeing 75729J
Aircraft serial
27203
Aircraft time
58,637 hours, 32,164 cycles
Part
Pilot Valve
Part number
33990047
Part serial
915C
Condition
Unserviceable
Location
Bleed Air Sys
Stage of operation
DE
How discovered
O
Nature of condition
O
Precautionary procedure
B

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

What was found

MGE301 FLIGHT INTO PNI, CREW EXPERIENCED RIGHT ENGINE BLEED FAILURE ALONG WITH RIGHT PACK INOP. CREW FOLLOWED QRH AND LANDED SAFELY IN PNI. MAINTENANCE CREW REPLACED RH 14TH STAGE PILOT VALVE AND PERFORMED OPERATIONAL CHECK WITH NO ABNORMALITIES. AIRCRAFT PLACED BACK IN SERVICE.

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