Service difficulty report · Access Door · Bolkms BK117A4

Difficulty date
January 24, 2011
Submitted
January 25, 2011
Operation
Air carrier
Aircraft
N485UM
Make and model
Bolkms BK117A4
Aircraft serial
7129
Aircraft time
12,170 hours, 44,863 cycles
Engine
Lyc LTS101650B1
Engine time
9,206 hours, 18,981 cycles
Part
Access Door
Part number
1172230301
Condition
Chafed
Location
Xmsn Bay
Part time
12,170 hours, 44,863 cycles
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 LT TRANSMISSION ACCESS COWLING CHAFED INTO THE MAIN TRANSMISSION DECK STRUCTURE AT AF STA 4239, WL 2753 AND BL 452.00L BEYOND MFG ACCEPTABLE LIMITS. THE APPROVED REPAIR WAS PROVIDED BY MFG ON FAA FORM 8110-3 DATED JANUARY 17, 2011. THE REPAIR WAS COMPLIED WITH AND THE ACFT WAS RETURNED TO SERVICE.