Service difficulty report · Control Valve · Boeing 767300

Difficulty date
May 25, 2021
Submitted
May 28, 2021
Operation
Air carrier
Aircraft
N649GT
Make and model
Boeing 767300
Aircraft serial
25864
Aircraft time
92,936 hours, 23,757 cycles
Part
Control Valve
Part number
3964621
Part serial
591
Condition
Faulted
Location
Lt A/C Pack
Stage of operation
IN
How discovered
9
Nature of condition
J
Precautionary procedure
K

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

What was found

L/H PACK DID NOT TURN OFF WHEN SELECTED(<P>PERFORMED PACK TEMPERATURE CONTROL OPERATIONAL TEST IAW AMM 21-51-00-705-161. TEST PASS, NO DEFECT NOTED AT THIS TIME.</P><P>LOG PAGE 1484388: REMOVED AND REPLACED LH PACK FLOW CONTROL VALVE PER AMM 21-51-01. OPS CHK GOOD AT THIS TIME.

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