Service difficulty report · Rail · Boeing 737990ER

Difficulty date
October 2, 2025
Submitted
October 9, 2025
Operation
Air carrier
Aircraft
N467AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
41,625 hours, 13,113 cycles
Part
Rail
Part number
143A9485Y35
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 AFT BULKHEAD LOWER SUPPORT RAIL IS CORRODED. GROUNDED - YES. REMOVED AND REPLACED CORRODED RAIL SUPPORT WITH NEW RAIL SUPPORT P/N 143A9485Y35 P.O. 1134697.1 IAW B737-900 SRM 51-40-02. SUPPORT RAIL WERE FOUND TO BE 100% MAT. LOSS IAW B737-900 SRM 53-30-30-1A-1.