Service difficulty report · Circuit Board · Boeing 747123

Difficulty date
January 24, 2001
Submitted
January 25, 2001
Operation
Air carrier
Aircraft
N673UP
Make and model
Boeing 747123
Aircraft serial
20325
Part
Circuit Board
Condition
Dirty
Location
Fire Detection
Stage of operation
IN
How discovered
O
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

INSPECTION TYPE:PFLT CREW PREFLT NR 2 ENG FIRE BELL WILL NOT CUT OUT. CLEANED AND RE-RACK CARD A-6, OP CK NORMAL.