Service difficulty report · Transition Panel · Boeing 737890

Difficulty date
August 26, 2025
Submitted
September 9, 2025
Operation
Air carrier
Aircraft
N525AS
Make and model
Boeing 737890
Aircraft serial
35692
Aircraft time
52,686 hours, 18,965 cycles
Part
Transition Panel
Part number
143A7501187
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 L/H TRANSITION HAS MULTIPLE AREAS OF CORROSION FROM STA 500C TO 500I. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 REPAIRED OUT OF LIMITS SECTION OF SIDE PLATE IAW SRM 53-00-53-2R-6 AND RESTORED FINISH TO IN LIMITS AREA IAW SRM 53-00-53-1A-2W:2 O:.040 R:.033 L:6 D:.007.