Service difficulty report · Web · Boeing 737790

Difficulty date
October 8, 2025
Submitted
October 28, 2025
Operation
Air carrier
Aircraft
N607AS
Make and model
Boeing 737790
Aircraft serial
29751
Aircraft time
76,584 hours, 40,423 cycles
Part
Web
Part number
143A8122
Condition
Corroded
Location
Zone 200
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 LOWER SILL WEB HAS SPOTS OF CORROSION. GROUNDED - YES. REMOVED AND REPLACED FWD PIT LOWER SILL WEB IAW B737-700 SRM 51-40-02-0G-0W= 1" O= .045 R= .033 L= 1" D= .012.