Service difficulty report · Fire Loop · Boeing 727232

Difficulty date
May 5, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N400DA
Make and model
Boeing 727232
Aircraft serial
21144
Engine
Pwa JT8D15
Part
Fire Loop
Condition
Malfunctioned
Location
Nr 1 Engine
Part time
62,779 hours
Stage of operation
CL
Nature of condition
N
Precautionary procedure
F

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

What was found

NR 1 ENGINE FIRE INDICATION IN FLIGHT. FOUND 13TH STAGE FLANGE GASKET LEAK. REPLACED GASKET. FOUND 8TH STATE DUCT LEAK. SECURED DUCT, REPLACED NR 1 FIRE LOOP CONNECTORS AND CHECKED RESISTANCE REPLACED NR 1 LWR FIRE LOOP. REPLACED NR 1 FIRE DETECTOR CONTROL UNIT. REPLACED NR 1 FIRE HANDLE. REPLACED NR 1 FIREWALL DETECTOR AND CONNECTORS. RAN ENGINE, ALL CHECKS NORMAL.