Service difficulty report · Transition Panel · Boeing 737990ER

Difficulty date
September 11, 2025
Submitted
October 9, 2025
Operation
Air carrier
Aircraft
N467AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
41,625 hours, 13,113 cycles
Part
Transition Panel
Part number
146A812712
Condition
Corroded
Location
Zone 100
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

AFT CARGO TRANSITION PANEL RH STA 767 TO 787 HAS CORROSION IN MULTIPLE SPOTS. GROUNDED - YES. REMOVED AND REPLACED TRANSITION PANEL IAW SRM 51-40-02 AND BAC DWG 146A0081 REV: A. ORIGINAL THICKNESS .040, REMAINING THICKNESS .020. MAT LOSS .020 AND IS FOUND TO BE OUT OF LIMITS.