Service difficulty report · Structure · Boeing 7377H4

Difficulty date
August 6, 2026
Submitted
September 11, 2026
Operation
Air carrier
Aircraft
N931WN
Make and model
Boeing 7377H4
Aircraft serial
36637
Aircraft time
56,214 hours, 34,452 cycles
Part
Structure
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
9
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

CORROSION FOUND IN (MULTIPLE SPOTS) ON TOP AFT (WET AREA) FLOOR STRUCTURE AT LBL 36 BS 989 - BS 995 WL 208 {MARKED} {PICTURES UPLOADED} REMOVED AND REPLACED L/H SHEAR WEB BS986-BS1016 LBL36-LBL48 WL208 I.A.W SRM 51-40-02-0G-0 SOPM 20-50-19 AND BOEING DWG 147A5600 REV: B VERIFIED ITEM 1

More about the Boeing 737-7H4