Service difficulty report · Transition Panel · Boeing 737990ER

Difficulty date
October 20, 2025
Submitted
November 15, 2025
Operation
Air carrier
Aircraft
N468AS
Make and model
Boeing 737990ER
Aircraft serial
41735
Aircraft time
41,930 hours, 13,131 cycles
Part
Transition Panel
Part number
146A750253
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 R/H TRANSITION CORRODED STA 767 TO 727A GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2 FROM STA 827 TO 727A FABRICATED, LOCATED AND INSTALLED DRILLED NEW TRANSITION PANEL IAW B737-900ER SRM 53-00-53-2R-5 FROM STA 827 TO 727A W= 2" O= 0.040 R= 0 L= 2" D= 0.040.