Service difficulty report · Beam · Cessna 402C

Difficulty date
February 1, 2017
Submitted
February 3, 2017
Operation
Air carrier
Aircraft
N57PB
Make and model
Cessna 402C
Aircraft serial
402C0300
Aircraft time
24,596 hours
Part
Beam
Part number
565410412
Condition
Cracked
Location
Rt Nacelle
Part time
24,596 hours
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

THE RIGHT NACELLE CROSSOVER BEAM ASSEMBLY WAS FOUND TO BE CRACKED AT AFT FACE IN THE AREA OF TURBOCHARGER MOUNT BRACKET HOLE LOCATIONS DURING DURING DISASSEMBLY OF TURBO CHARGER ASSEMBLY TO FACILITATE OTHER MAINTENANCE. CRACK LOCATED ADJACENT TO OB MOST TURBOCHARGER BRACKET HOLE LOCATION. CORRECTIVE ACTION WILL BE TO REMOVE CROSSOVER BEAN ASSEMBLY, PERFORM DETAILED VISUAL INSPECTION OF SURROUNDING STRUCTURE AND INSTALL NEW BEAM ASSEMBLY.

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