Service difficulty report · Transition Panel · Boeing 737790

Difficulty date
November 13, 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
146A7502
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

UPON REMOVAL OF AFT PIT SIDEWALL PANEL FOUND CORROSION ON RT TRANSITION PANEL BS 727 - 767. GROUNDED - YES. REMOVED AND REPLACED AFT PIT SIDEWALL PANEL ON RT TRANSITION IAW SRM 51-40-02-0G-0. W: .150 0: .040" R: 0" L: 1 D: .040".