Service difficulty report · Wire Harness · Cessna 550

Difficulty date
July 14, 2004
Submitted
January 5, 2005
Operation
General aviation
Make and model
Cessna 550
Aircraft time
3,662 hours
Engine
Pwa JT15D4
Part
Wire Harness
Condition
Chafed
Location
Comms
Stage of operation
IN
How discovered
9
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

UPON VISUAL INSPECTION OF THE RADIO MANAGEMENT UNITS (RMU) WIRE BUNDLES, A WIRE IN THE NR 1 RMU BUNDLE WAS FOUND TO BE DAMAGED BEYOND THE POINT OF EXPOSURE OF BARE WIRE AND APPEARS TO BE CHAFED APPROXIMATELY ONE QUARTER THE WAY THROUGH. THE CHAFFING OCCURRED AGAINST A STATIC SOURCE TEE FITTING BEHIND AND TO THE RIGHT OF THE NUMBER ONE RMU.

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