Service difficulty report · Clamp · Boeing 75728A

Difficulty date
December 22, 2011
Submitted
September 14, 2015
Operation
General aviation
Make and model
Boeing 75728A
Aircraft time
47,981 hours
Engine
Rroyce RB211535E4
Part
Clamp
Part number
BC1083074S
Condition
Broken
Location
Mlg
Part time
59,976 hours
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

(CAN) DURING TAXI THE ANTI-SKID WARNING LIGHT ILLUMINATED. THE ANTI-SKID SYSTEM WAS DEFERRED IAW THE MEL 32-42-01-1 AND THE ACFT RETURNED TO A MAINTENANCE BASE. INVESTIGATION REVEALED THAT CLAMP ASSY, PN BC1083-074S, AIPC 32-61-52-02H, ITEM 747, FAILED SPECIFICALLY THE STAND-OFF BLOCK, ITEMS 597, 605, LIKELY DUE TO FATIGUE. THIS ALLOWED THE PLATE ASSY TO MOVE WHICH CAUSED DAMAGE TO THE ELECTRICAL CONDUITS AND WIRING THUS CAUSING THE ANTI-SKID WARNING LIGHT TO ILLUMINATE. THE CLAMP AND DAMAGED CONDUIT AND WIRING WERE ALL REPLACED AND THE ACFT RETURNED TO SERVICE. ACFT TSN 59976, CSN 19041.

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