SDR HEEA084934

Service difficulty report · Case · Bell 412

Difficulty date
February 27, 2003
Submitted
March 3, 2003
Operation
Air carrier
Make and model
Bell 412
Part
Case
Part number
212040468001
Part serial
AFS2039
Condition
Damaged
Location
T/R Gearbox
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

RECEIVED HIGH BACKLASH READINGS WHEN GEARBOX WAS REASSEMBLED 0.012, 0.0125 AND 0.0125 INCH. MAXIMUM BACKLASH ALLOWED IS 0.011 INCH.

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