Service difficulty report · Angle · Boeing 737990ER

Difficulty date
March 12, 2022
Submitted
March 30, 2022
Operation
Air carrier
Aircraft
N413AS
Make and model
Boeing 737990ER
Aircraft serial
35205
Aircraft time
33,605 hours, 10,697 cycles
Part
Angle
Part number
143A948523
Part serial
NA
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

AFTER REMOVING THE FWD PIT AFT BULKHEAD PANEL 121EW THE LOWER BULKHEAD SUPPORT IS FOUND TO BE CORRODED. GROUNDED - YES. REMOVED AND RECEIVED SUPPORT ASSY ON DOUBLER PER B737-900ER SRM 51-40-02 AND BAC DWG 143A9481 REV -A.