Service difficulty report · Start Valve · Boeing 7673JHF

Difficulty date
February 17, 2020
Submitted
February 19, 2020
Operation
Air carrier
Aircraft
N643GT
Make and model
Boeing 7673JHF
Aircraft serial
37809
Aircraft time
16,612 hours, 4,574 cycles
Part
Start Valve
Part number
7997001
Part serial
890526
Condition
Failed
Location
Nr 1 Engine
Stage of operation
IN
How discovered
V
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

FOUND NO. 1 ENG START VALVE FUNCTION FAIL.(<P>IAW AMM 80-11-02-004-001 REV. 129 AND AMM 80-11-02-404-017 REV. 129 REPLACED NO. 1 ENG START VALVE WITH NEW PARTS. IAW AMM 80-11-02-404-017 REV. 129 STEP H PERFORMED START VALVE INSTALLATION TEST. TEST RESULT SATISFIED. CONDITION CHECK NORMAL, AND THE JOB IS COMPLETE. </P>)

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