SDR 2024F00047

Service difficulty report · Gearbox

Difficulty date
March 4, 2024
Submitted
March 4, 2024
Operation
General aviation
Engine
Cfmint CFM567B20
Part
Gearbox
Part number
3400507040
Part serial
VQ1169
Condition
Abnormal
Location
Accessory
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

ON 19 FEBRUARY 2024, SAFRAN TRANSMISSION SYSTEM APPROVED MAINTENANCE ORGANIZATION (EASA FR.145.0229, CAAC F03300629, FAA H31Y132O), WHILE DISASSEMBLING TRANSFER GEARBOX (TGB), P/N 340-050-704-0, S/N VQ1169, FOR AN UNRELATED MAINTENANCE OPERATION, DETECTED THAT THE IDENTIFICATION PLATE FIXING NAILS WERE BROKEN. THE IDENTIFICATION PLATE WAS GLUED INTO POSITION. INVESTIGATIONS LED BY SAFRAN TRANSMISSION SYSTEMS SHOWED THAT THE IDENTIFICATION PLATE DOES CORRESPOND TO THE TGB IT WAS GLUED ON. THE PLATE WAS APPARENTLY TORN OFF ACCIDENTALLY, THEN GLUED BACK INTO POSITION. THE GLUING DOES NOT CORRESPOND TO A REPAIR SOLUTION APPROVED BY SAFRAN TRANSMISSION SYSTEM