Service difficulty report · Gearbox · Boeing 747

Difficulty date
October 10, 2022
Submitted
October 17, 2022
Operation
Air carrier
Aircraft
N412MC
Make and model
Boeing 747
Aircraft serial
30559
Aircraft time
90,907 hours, 14,753 cycles
Part
Gearbox
Part number
65B8113010
Part serial
128682
Condition
None
Stage of operation
CL
How discovered
O
Nature of condition
E, J, O
Precautionary procedure
A, J

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

What was found

FLAPS DRIVE CATUION MSG ON RETRACTION. C/W QRH(<P>R/R RH OUTBOARD T/E FLAPS ANGLE GEARBOX. OPS CHECK GOOD IAW AMM 27-51-021</P>)