Service difficulty report · Circuit Card · Boeing 757222

Difficulty date
July 21, 2011
Submitted
July 25, 2011
Operation
Air carrier
Aircraft
N547UA
Make and model
Boeing 757222
Aircraft serial
25368
Aircraft time
73,475 hours, 21,426 cycles
Engine
Pwa PW2037
Part
Circuit Card
Part number
285N002836
Part serial
1
Condition
Faulty
Location
Fire Detection
Stage of operation
IN
How discovered
9
Nature of condition
N
Precautionary procedure
K

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

What was found

LEFT ENG FIRE LP 1 EICAS STATUS MESSAGE APPEARS INTERMITTENTLY. TROUBLE SHOT WITH FIM AND RERACKED CARD M681 IN P54 FILE CABINET, NO HELP. USE FIM 26- 11-00-0101. MESSAGE STILL LATCHED SUSPECT CARD IS BAD. PCN FOR CARD 481-0040. REPLACED AFOLTS CARD 1, FIRE-OVHT TEST PASS NO MSG ON EICAS.