Service difficulty report · Connector · Doug DC871F

Difficulty date
April 16, 2008
Submitted
April 17, 2008
Operation
Air carrier
Aircraft
N820BX
Make and model
Doug DC871F
Aircraft serial
46065
Aircraft time
90,391 hours, 37,518 cycles
Part
Connector
Condition
Damaged
Location
Fire Loop
Part time
90,391 hours, 37,518 cycles
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
E

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

What was found

DURING CRUISE FROM KLAX TO KTOL THE CREW HAD A FIRE WARNING INDICATION ON NUMBER ONE ENGINE, ALL PARAMETERS WERE WITHIN NORMAL LIMITS. NUMBER ONE ENGINE WAS SHUTDOWN IAW THE QRH AND THE INBOARD FIRE BOTTLE WAS DISCHARGED. THE FIRE WARNING INDICATION EXTINGUISHED AND THE CREW CONTINUED TO KTOL AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE FIRE WARNING SYSTEM AND FOUND A BAD CONNECTOR AT NR 1 ENG PYLON FIRE LOOP. MAINTENANCE REPLACED THE CONNECTOR AND REPLACED NR 1 ENG PYLON FIRE LOOP IAW MM 26-10-1. ALSO IAW MM 20-50-1. MAINTENANCE RAN NR 1 ENG AND TESTED FIRE WARNING, NO DEFECTS NOTED IAW ATI ERH 70.01. C/W ATI GMM 3.116 NR 1 ENG FIRE WARNING OP'S NORMAL AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.

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