Service difficulty report · Support Angle · Boeing 737990ER

Difficulty date
March 6, 2025
Submitted
March 17, 2025
Operation
Air carrier
Aircraft
N238AK
Make and model
Boeing 737990ER
Aircraft serial
62681
Aircraft time
28,788 hours, 9,334 cycles
Part
Support Angle
Part number
143A948535
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 PIT, AFT BULKHEAD LOWER SUPPORT IS CORRODED. GROUNDED - YES. REMOVED DAMAGE FROM FWD PIT AFT BULKHEAD SUPPORT LOWER ANGLE 100% MATERIAL LOSS, FOUND TO BE OUT OF LIMITS IAW B737-900 ER SRM 53-30-08-1A-1. REPLACED FWD PIT, AFT BULKHEAD LOWER SUPPORT USING PN:143A9485-35 PO:1115855.3 IAW B737-900ER SRM 51-40-02 & SRM 51-40-05.