SDR AT0500036

Service difficulty report · Control Unit · Boeing 717200

Difficulty date: September 30, 2005
Submitted: October 3, 2005
Operation: Air carrier
Aircraft: N944AT
Make and model: Boeing 717200
Aircraft serial: 55007
System (JASC): 2612 · Fire Detection
Part: Control Unit
Part number: 473465MOD01
Part serial: 0941
Condition: Shorted
Location: Fire Detection
Stage of operation: CR
How discovered: O
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

(ENG L FIRE) LEVEL 3 INDICATION IN CRUISE FLIGHT. RAN QRH, PULLED T-HANDLE, EXPENDED FIRE BOTTLE 1 AND 2. REMOVED AND REPLACED NR 1 ENGINE FIRE DETECTOR CONTROL UNIT, REF 26-11, RAN ENGINE, PERFORMED FIRE TEST AND FAULT TEST, CHECKS GOOD, SEE 749178-3 AND 749178-2.

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