Service difficulty report · Spar · Bolkms BK117C2

Difficulty date
August 12, 2021
Submitted
October 11, 2021
Operation
Air carrier
Filed by
2A6R933B
Air Methods, LLC
Aircraft
N766ME
Make and model
Bolkms BK117C2
Aircraft serial
9066
Aircraft time
9,022 hours, 27,574 cycles
Part
Spar
Part number
1173042303
Condition
Chafed
Location
Zone 300
Part time
9,022 hours, 27,574 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

DURING INSPECTION, FOUND DAMAGE TO THE VERTICAL FIN MAIN SPAR (PN: 117-30423.03) IN THE FORM OF CHAFING MEASURING APPROXIMATELY 0.25” DIAMETER AND 0.020” DEPTH ON THE OUTSIDE SURFACE OF THE LH FLANGE AT THE LOWER SECTION OF THE MAIN SPAR. THE DAMAGE WAS ADDRESSED BY BLENDING AND REINFORCEMENT OF THE AFFECTED STRUCTURE VIA REPAIR DOUBLERS IN ACCORDANCE WITH AIRBUS RDAS # RDAS-BK117-53-2021-3025, REVISION A DATED 08 JUL 2021.