Service difficulty report · Fire Warning · Boeing 747212B

Difficulty date
July 29, 2004
Submitted
July 30, 2004
Operation
Air carrier
Aircraft
N520UP
Make and model
Boeing 747212B
Aircraft serial
21943
Part
Fire Warning
Condition
False Indication
Location
Nr 3 Engine
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

FIRE INDICATION ON NR 3 ENGINE. EXECUTED FIRE IN FLIGHT SHUTDOWN. BOTH FIRE BOTTLE DISCHARGED. INITIALLY OBTAINED FIRE DETECTION LIGHT ON FWD PANEL COUPLED W/FAULT LIGHT ON DET PANEL. ENG FIRE TEMP SENSOR IN ORANGE, INCREASING EMERGENCY RED FIRE HANDLE ILLUMINATED. T/S PER WDM 26-11-03 PG A1. CLEANED UP CONN DM219. NR 3 ENG FIRE INDICATION BACK TO NORMAL. REMOVED AND REPLACED NR 3 ENG BOTH FIRE BOTTLE & SQUIB PER MM 26-21-03. A/C OKAY FOR SERVICE.

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