Service difficulty report · Connector · Boeing 7472D3B

Difficulty date
March 8, 2004
Submitted
March 16, 2004
Operation
Air carrier
Aircraft
N506MC
Make and model
Boeing 7472D3B
Aircraft serial
21252
Engine
Ge CF650E2
Part
Connector
Condition
Dirty
Location
Nr 1 Engine
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
E, J, A

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

What was found

GT8971/5 DNA/BKK ATB AND IFSD DUE TO NR 1 ENGINE FALSE FIRE WARNING: NR 1 ENGINE FIRE INDICATION DURING CLIMB, ALL OTHER SYSTEMS NORMAL EXCEPT (B) LOOP WAS DEFERRED. (A) LOOP WAS INDICATION FAULT AND FIRE. ENGINE SHUTDOWN ACCOMPLISHED AND FUEL JETTISON 28.3K. PERFORMED THROUGH INSPECTION OF ENGINE FIRE LOOPS. FOUND TWO CONNECTORS AT CORE SECTION LOOSE. CLEANED AND SECURED THEM. CLEANED AND REINSTALLED AFT FIREWALL CONNECTORS. PERFORMED ENGINE RUN, ALL CHECKED NORMAL IAW MM 26-11-00.

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