Service difficulty report · Bolt · Bolkms BK117B2

Difficulty date
December 10, 2009
Submitted
December 14, 2009
Operation
Air carrier
Aircraft
N1174U
Make and model
Bolkms BK117B2
Aircraft serial
7146
Aircraft time
6,273 hours
Part
Bolt
Part number
LN29522S08014
Condition
Misinstalled
Location
Hyd Pack Mount
Stage of operation
NR
How discovered
V
Nature of condition
W
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND HARDWARE INSTALLED INCORRECTLY CAUSING: WEAR IN THE HYD PACK AND MOUNT HOLES. CRACKS IN THE CABIN FLOOR AND CROSS STRUCTURE SUPPORT IN THE CABIN CEILING UNDER THE HYD PACK. AFT HYD MOUNT ON DECK HAS WEAR IN THE BUSHING HOLES 0.100" THICK, FITTING DAMAGE IN 0.025" DEEP.