Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 24, 2026
Submitted
October 28, 2026
Operation
Air carrier
Aircraft
N273WN
Make and model
Boeing 7377H4
Aircraft serial
32528
Aircraft time
63,794 hours, 38,573 cycles
Part
Support
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

CORROSION ON SUPPORT ZEE, BS 727E + 12, - 847, LBL 22, WL 208.1. REPAIRED THE SUPPORT ZEE AND FASTENERS IAW DWG 146A7502, SHEET 27, REV-, DWG 146A7500, SHEET 85, REV A, AND SRM 51-40-02.

More about the Boeing 737-7H4