Service difficulty report · Transition Panel · Boeing 737890

Difficulty date
February 5, 2025
Submitted
February 18, 2025
Operation
Air carrier
Aircraft
N556AS
Make and model
Boeing 737890
Aircraft serial
35175
Aircraft time
59,270 hours, 21,024 cycles
Part
Transition Panel
Part number
143A7501188
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 R/H TRANSITION IS PUNCTURED AND HAS SPOTS OF CORROSION STA 500A TO 500D. GROUNDED - YES. FOUND TO BE 100% MAT LOSS. REMOVED AND REPLACED DAMAGED SECTION OF TRANSITIONSTA 500A TO 500D IAW B737-800 SRM 51-40-02-0G-0 AND 53-00-53-2R-6W= 2 O= .040 R= 0 L= 4 D= .040.