Service difficulty report · Rail · Boeing 737990ER

Difficulty date
October 13, 2021
Submitted
November 2, 2021
Operation
Air carrier
Aircraft
N495AS
Make and model
Boeing 737990ER
Aircraft serial
41728
Aircraft time
7 hours, 8 cycles
Part
Rail
Part number
143A948535
Part serial
NSN
Condition
Corroded
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 CENTER PANEL LOWER SUPPORT FRAME CORRODED. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS FOUND LOWER SUPPORT RAIL OUT OF LIMITS IAW B737-900ER SRM 53-30-08-1A-1 REMOVED AND REPLACED SUPPORT RAIL IAW B737-900ER SRM 51-40-02-0G-0W=1.0 O=.071 R=.046 L=12.0 D=.025.