Service difficulty report · Support · Boeing 737824

Difficulty date
May 8, 2026
Submitted
May 11, 2026
Operation
Air carrier
Aircraft
N73270
Make and model
Boeing 737824
Aircraft serial
31632
Aircraft time
75,425 hours, 26,578 cycles
Part
Support
Part number
149A721420
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

OTBD SIDE OF LEFT ECS EXHAUST, BODY FAIRING SUPPORT LWR SURFACE HAS FRETTING CORROSION. REMOVED AND REPLACED O/B SIDE OF LEFT ECS EXHAUST, BODY FAIRING SUPPORT IAW SRM 51-40-02-0G-0 AND DWG 149A7216.