Service difficulty report · Duct · Beech 400A

Difficulty date
August 5, 2011
Submitted
August 9, 2011
Operation
Air carrier
Aircraft
N465TM
Make and model
Beech 400A
Aircraft serial
RK554
Aircraft time
2,191 hours, 1,702 cycles
Part
Duct
Part number
45A40304021
Condition
Cracked
Location
Anti Ice Sys
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 SCHEDULED INSPECTION, FOUND LT ENGINE NACELLE ANTI-ICE CROSSOVER BLEED AIR DUCT CRACKED AT BELLOWS, STAINLESS STEEL BRAIDING FRAYED AND BLOWN-OUT. MX HISTORY UNKNOWN. MAY POSSIBLY HAVE BEEN CAUSED BY PARTIAL MIS-ALIGNMENT STRESS. RECOMMEND MFG INVESTIGATE WHETHER THIS IS A HIGH REPLACEMENT COMPONENT OR MORE OF AN OCCASIONAL OR ISOLATED REPLACEMENT REQUIREMENT. RECOMMEND A NOTE BE MADE IN THE MM REMINDING INSTALLING TECH TO INSPECT AND ADJUST DUCT ASSY'S, ALIGNMENT DURING INSTALLATION.

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