Service difficulty report · Transition Panel · Boeing 737890

Difficulty date
November 4, 2025
Submitted
November 20, 2025
Operation
Air carrier
Aircraft
N557AS
Make and model
Boeing 737890
Aircraft serial
35176
Aircraft time
70,079 hours, 20,914 cycles
Part
Transition Panel
Part number
146A750250
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 COMPARTMENT-STA 727I-767-RIGHT SIDEPLATE WITH CORROSION. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT, R/H TRANSITION PANEL AT STA 727I-767 IAW B737-800 SRM 53-00-53-1A-2.2.D. 100% MAT LOSS AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2.4.(2). REPAIRED AFT PIT R/H TRANSITION PANEL AT STA 727H+10 TO 767 USING PN:BAC1496-377 7075-T62 PO:1130861.1 IAW B737-800 SRM 53-00-53-2R-5.