SDR UIEA2020091872015

Service difficulty report · Wire · Boeing 76736N

Difficulty date: September 17, 2020
Submitted: September 18, 2020
Operation: Air carrier
Aircraft: N1093A
Make and model: Boeing 76736N
Aircraft serial: 30111
Aircraft time: 82,310 hours, 11,968 cycles
System (JASC): 2697 · Fire Protection System Wiring
Part: Wire
Condition: Shorted
Location: Fire Loops
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

LT ENG FIRE LP1 STATUS MESSAGE ENROUTE. FOUND WIRES BETWEEN D4230P TS681, TS 682 AND TS683 FIRE LOOPS SHORTED TO SHIELD. REMOVED AND REPLACED WIRES W5324-452R-16, -451R-16, -454R-16, -453R-16, -456R-16, -455R-16 IAW WDM 26-11-11 SWPM 20-10-06. PERFORMED OPS CHECK OF NR 1 FIRE LOOP ON LT ENG, IAW AMM 26-11-01. OPS CHECK GOOD AT THIS TIME.

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