Service difficulty report · Card · Boeing 777222

Difficulty date
December 24, 2010
Submitted
December 30, 2010
Operation
Air carrier
Aircraft
N779UA
Make and model
Boeing 777222
Aircraft serial
26941
Aircraft time
59,190 hours, 10,707 cycles
Engine
Pwa PW4077
Part
Card
Part number
285W0019103
Part serial
65
Condition
Failed
Location
Equip Cooling
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

ON ARRIVAL EQUIP COOLING HORN IS BLOWING. TROUBLESHOOTING SYS, FOUND ESS MC-R- CARD SYS FAILING. DEACTIVATED CARD IAW MEL. REPLACED RT ECS CARD, NO HELP. SUSPECT CLOGGED SUPPLY INLET FILTER OR PRESSURE TRANSDUCER. IF NO HELP UTILIZING MT, SUSPECT ECSMC INSTALLED 21DEC10 MAY BE DEFECTIVE OUT OF STOCK. REPLACED ECS CARD P84A14, OPS CK OK.