Service difficulty report · Valve · Boeing 767322

Difficulty date
November 10, 2012
Submitted
December 11, 2012
Operation
Air carrier
Aircraft
N646UA
Make and model
Boeing 767322
Aircraft serial
25283
Aircraft time
90,043 hours, 14,383 cycles
Engine
Pwa PW4060
Part
Valve
Part number
3964622
Part serial
41
Condition
Faulty
Location
Ac Bay
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

PACK 'INOP' & 'PACK OFF' LIGHTS ON. EICAS MSG 'R PACK OFF' DISPLAYED. COULD NOT RESET FIG 105A BLOCK 1. REPLACED FCSO VAVLE.