Service difficulty report · Valve · Boeing 76733A

Difficulty date
December 15, 2009
Submitted
December 16, 2009
Operation
Air carrier
Aircraft
N583HA
Make and model
Boeing 76733A
Aircraft serial
25531
Aircraft time
77,314 hours, 14,032 cycles
Part
Valve
Part number
3987865
Part serial
8378
Condition
Faulted
Location
Cabin Air
Part time
21,076 hours, 3,988 cycles
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

ETOPS SIGNIFICANT SYS - MID CABIN TRIM AIR INOP LIGHT AND EICAS MSG ILLUMINATED WHILE ON THE GROUND. INTERROGATED ZONE TEMP CTL FOUND MID CABIN VALVE FAULT. REPLACED TRIM AIR VALVE IAW AMM 21-61-07 AND OPS LEAKED CK GOOD.

More about the Boeing 767-33A