SDR FDEA201206142241

Service difficulty report · Wire · Doug MD1010F

Difficulty date: June 14, 2012
Submitted: June 14, 2012
Operation: Air carrier
Aircraft: N550FE
Make and model: Doug MD1010F
Aircraft serial: 46521
Aircraft time: 83,082 hours, 33,130 cycles
System (JASC): 2697 · Fire Protection System Wiring
Part: Wire
Condition: Chafed
Location: Fire Detector
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: F, E, D

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

What was found

PRIOR TAKEOFF, RECEIVED NR 2 ENG FIRE ALERT, QRH COMPLIED WITH, FIRE TEST SATISFACTORY AFTER NR 1 BOTTLE FIRED, NO FIRE INDICATION, FIRE DEPT REPORTED NO HEAT SIGNATURE/FIRE IN AREA OF NR 2 ENG. FIRE INDICATION REAPPEARED AFTER A FEW MINUTES. NO FIRE PRESENT. FOUND WIRE SDW108A18 WAS CHAFING TO BONDING WIRE INSIDE AFT JUNCTION BOX. REPAIRED WIRE IAW SWPM 20-10-03. NR 2 ENG FIRE DETECTION SYS OPS CHECK NORMAL IAW 26-10-00-5. FINAL CLOSED.

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