Service difficulty report · Transition Panel · Boeing 737990

Difficulty date
December 1, 2022
Submitted
December 21, 2022
Operation
Air carrier
Aircraft
N317AS
Make and model
Boeing 737990
Aircraft serial
30856
Aircraft time
64,037 hours, 25,906 cycles
Part
Transition Panel
Part number
146A750219
Condition
Corroded
Location
Bs 727a-847
Stage of operation
IN
How discovered
9
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

AFT CARGO RT TRANSITION PANEL HAS SPOTS OF CORROSION STA 727A TO 847. GROUNDED - YES. PREFORMED SURFACE BLEND AND REMOVED CORROSION FOUND TO BE OUT OF LIMITS. FABRICATED NEW TRANSITION PANEL IAW SRM 53-00-53-2R-2, SRM 51-40-02-0G-0.