Service difficulty report · Transition Panel · Boeing 737790

Difficulty date
November 10, 2025
Submitted
December 5, 2025
Operation
Air carrier
Aircraft
N609AS
Make and model
Boeing 737790
Aircraft serial
29752
Aircraft time
76,820 hours, 40,807 cycles
Part
Transition Panel
Part number
143A7501
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

FWD PIT TRANSITION PANEL HAS CORROSION BETWEEN BS 500 - 500D. GROUNDED - YES. REMOVED AND REPLACED FWD LT TRANSITION PANEL IAW SRM 51-40-02-0G-0. W:1 0:.040' R:.034 L:1 D:.006.