Service difficulty report · Valve · Boeing 7673S1

Difficulty date
March 9, 2016
Submitted
March 11, 2016
Operation
Air carrier
Aircraft
N640GT
Make and model
Boeing 7673S1
Aircraft serial
25221
Aircraft time
79,690 hours, 16,844 cycles
Part
Valve
Part number
7738556
Part serial
960333
Condition
Faulty
Location
Bleed Air Sys
Stage of operation
IN
How discovered
C
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

ENG 1 FAMV WAS FULLY CLOSED, BUT DID NOT INDICATE CORRECT BIT READING OF BIT 2. R & R REPLACED NR 1 ENG FAMV IAW AMM 36-11-16. OPERATIONS CHECK & LEAK CHECK GOOD.

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