SDR CA010308011

Service difficulty report · Wire · Boeing 7372Q9

Difficulty date: February 8, 2001
Submitted: March 13, 2001
Operation: General aviation
Make and model: Boeing 7372Q9
Aircraft time: 52,698 hours, 51,230 cycles
Engine: Pwa JT8D9A
System (JASC): 2497 · Electrical Power System Wiring
Part: Wire
Condition: Chafed
Location: Firewall
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

(CAN) WIRE W200-453-06 CHAFED THROUGH INSULATION AND WIRE. LENGTH & WIDTH OF CHAFE IS 3/8 INCH, DEPTH 1/8 INCH. APPEARS TO HAVE RUBBED AGAINST COWLING AT SOME TIME. HOWEVER, AT TIME OF DISCOVERY, IT WAS NOT APPARENT WHAT THE WIRE HAD CHAFED. THERE HAD BEEN NO REPORTED ELECTRICAL POWER DEFECT. THE HARNESS HAS BEEN REPLACED WITH PARTICULAR EMPHASIS TO CORRECT ROUTING AND CLAMPING.

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