Service difficulty report · Transition Panel · Boeing 737890

Difficulty date
April 28, 2026
Submitted
May 5, 2026
Operation
Air carrier
Aircraft
N528AS
Make and model
Boeing 737890
Aircraft serial
35695
Aircraft time
52,609 hours, 19,080 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 CARGO LT SIDE TRANSITION PANEL STA 500B+10 TO 500G+10 IS CORRODED. GROUNDED - YES. REMOVED THE CORROSION FROM THE FWD PIT L/H TRANSITION PANEL AT STA 500B+10 TO 500G+10 IAW B737-800 SRM 53-00-53-1A-2.4(2) ORIG THICKNESS IS .040" IAW B737-800 SRM 53-30-53-01-2 TABLE 2 REMOVED .010", REMAINING IS .030" AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2 REPAIRED FWD CARGO L/H TRANSITION PANEL STA 500B+10 TO 500G+10 USING PN: BAC1496-444 7075-T6 PO: 1140724.1 IAW B737-800 SRM 53-00-53 AND BOEING SOPM 20-41-02.