SDR CALA2013081990515

Service difficulty report · Wire · Boeing 757222

Difficulty date: August 16, 2013
Submitted: August 21, 2013
Operation: Air carrier
Aircraft: N588UA
Make and model: Boeing 757222
Aircraft serial: 26717
Aircraft time: 65,117 hours, 22,763 cycles
Engine: Pwa PW2040
System (JASC): 2697 · Fire Protection System Wiring
Part: Wire
Condition: Broken
Location: Terminal Block
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

DURING SQUIB TEST, FOUND BROKEN WIRE W2078-084-20 AT TB121 (C024. WD26-22-21, PG 2. REPLACED TERMINAL BLOCK MODULE TB121 Y23-Y24. CRIMPED NEW PINS ON WIRES W2078-0047-22, W2080-0041-22, W2156-A-WT, W2156-0156-24, W2078-0051-22, W2080-0043-22, W2078-0284-20, & W2156-0118-20. INSTALLED WIRES INTO TB121 Y23-Y24. SECURED WIRES. OPS CHECK P61 PANEL FUNCTIONS OK. WDM 26-22-21, 29-22-11, 33-11-61.