Service difficulty report · Start Valve · Boeing 74747UF

Difficulty date
November 22, 2025
Submitted
November 24, 2025
Operation
Air carrier
Aircraft
N477MC
Make and model
Boeing 74747UF
Aircraft serial
29255
Aircraft time
107,736 hours, 18,901 cycles
Part
Start Valve
Part number
32911723
Part serial
4817C
Condition
Warning Message
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

STARTER CUTOUT MSG. R & R ENG NR 1 ENG START VALVE IAW AMM 80-11-01. OPS CHECKED GOOD, NO FAULTS NOTED. ENG 1 START VALVE STATUS MSG CLEARED.

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