Service difficulty report · Conduit · Boeing 7472D7B

Difficulty date
October 22, 2010
Submitted
October 25, 2010
Operation
Air carrier
Aircraft
N522MC
Make and model
Boeing 7472D7B
Aircraft serial
21783
Aircraft time
106,743 hours, 21,389 cycles
Engine
Ge CF650*
Part
Conduit
Condition
Damaged
Location
Nlg Ww
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

DURING WALKAROUND INSP, MX FOUND THE ELECTRICAL CONDUIT AND CONNECTOR MOUNT HOUSING AT THE NOSE GEAR DAMAGED (REF FIG 1). DISPOSITION WAS MADE TO PERFORM TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS, INITIATE REPEAT INSPECTIONS AT EVERY 5 FLIGHT CYCLES AND SCHEDULE PERMANENT REPAIR AT THE NEXT A CHECK AFTER PART 1 BY REPLACING THE DAMAGED CONDUIT AND NLG LIGHT HOUSING. THIS EO IS APPROVED VIA FAA 8110-3 FORM ISSUED ON 22OCT10; SINCE THE DAMAGE EXCEEDS THE AMM 20-11-05 LIMITS.

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