Service difficulty report · Channel · Boeing 737890

Difficulty date
April 8, 2026
Submitted
April 23, 2026
Operation
Air carrier
Aircraft
N528AS
Make and model
Boeing 737890
Aircraft serial
35695
Aircraft time
52,609 hours, 19,080 cycles
Part
Channel
Part number
146A750231
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

MULTIPLE SPOTS OF CORROSION ON THE LEFT HAND TRANSITION STRAP IN THE AFT CARGO PIT BETWEEN STATIONS 787 AND THE FORWARD BULKHEAD. GROUNDED - YES. REMOVED CORROSION FROM THE L/H AFT PIT TRANSITION PANEL AT STA 787 TO FWD BULKHEAD IAW B737-800 SRM 53-00-53-1A-2.2.D. 100% MATERIAL LOSS IN MULTIPLE SECTIONS THROUGHOUT AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2.4.A.(2). REPAIRED AFT PIT L/H TRANSITION PANEL FROM STA 797 TO STA 727 IAW B737-800 SRM 53-00-53-2R-5.