SDR C7WA200300078

Service difficulty report · Wire · Boeing 7272M7

Difficulty date: January 13, 2005
Submitted: April 15, 2005
Operation: Air carrier
Aircraft: N742RW
Make and model: Boeing 7272M7
Aircraft serial: 21952
System (JASC): 2197 · Air Conditioning System Wiring
Part: Wire
Condition: Shorted
Location: A/C System
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

NR 1 PACK VALVE CIRCUIT BREAKER POPPED ON CLIMB-OUT, CIRCUIT BREAKER WOULD NOT RESET. TROUBLESHOOTING PERFORMED BY WD 21-61-02, FOUND WIRE SHORTED. ACCOMPLISHED REPAIR BY WIRE SPLICE, AIR COND SYSTEM. TESTED WITH BOTH PACKS ON TESTED GOOD. (M)

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