Service difficulty report · Intercostal · Boeing 737990ER

Difficulty date
October 31, 2025
Submitted
November 18, 2025
Operation
Air carrier
Aircraft
N468AS
Make and model
Boeing 737990ER
Aircraft serial
41735
Aircraft time
41,930 hours, 13,131 cycles
Part
Intercostal
Part number
146A750512
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 RT INTERCOSTAL STA 747 TO 767 CORRODED. GROUNDED - YES. REMOVED DAMAGE ON AFT CARGO RT INTERCOSTAL AT STA 747 TO 767 REMOVED AND REPLACED INTERCOSTAL IAW SRM 51-40-02-0G-0 AND 51-40-05-0G-0.W= 2 IN O= .032 R= .00 L= 1 IN D= .03.