Service difficulty report · Web · Boeing 7377H4

Difficulty date
March 10, 2021
Submitted
April 5, 2021
Operation
Air carrier
Aircraft
N219WN
Make and model
Boeing 7377H4
Aircraft serial
32490
Aircraft time
53,274 hours, 31,733 cycles
Part
Web
Condition
Corroded
Location
Fuselage
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*** FORWARD CARGO BAY SUB THRESHOLD WEB BS449 TO BS480 RBL 25 WL156 / CORROSION ON FWD CARGO BAY SUB THRESHOLD WEB BS 449-480; RBL 25; WL 156 FOUND OUT OF LIMITS DUE TO PROXIMITY TO HOLES PER SRM 53-30-15-1A-1 FIG 103 DETAIL D. REMOVED WEB; LOCATED & DRILLED; COUNTERSUNK AND INSTALLED NUT PLATES IN NEW WEB AND INSTALLED NEW WEB PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; SRM 51-40-08-0G-0 AND DWG 143A8330.

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