Service difficulty report · Web · Boeing 7377H4

Difficulty date
January 3, 2019
Submitted
March 1, 2022
Operation
Air carrier
Aircraft
N275WN
Make and model
Boeing 7377H4
Aircraft serial
36153
Aircraft time
40,202 hours, 23,857 cycles
Part
Web
Condition
Corroded
Location
Fwd Cargo Bay
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*** NOTED ON FCB DOOR CUTOUT LOWER SILL WEB (BS 440 - BS 492 / RBL 25 / WL 156). / CORROSION ON FCB LOWER SILL WEB BS440-492; RBL 25; WL 156 FOUND OUT OF LIMITS DUE TO PROXIMITY TO FASTENER PER SRM 53-30-15-1A-1; FIG 103; DETAIL D. REMOVED SILL WEB PER SRM 51-40-02-0G-0. LOCATED + DRILLED; COUNTERSUNK; INSTALLED NUT PLATES IN NEW SILL WEB AND INSTALLED NEW SILL WEB PER SRM 51-40-05-0G-0; SRM 51-40-08-0G-0; SRM 51-40-02-0G-0 AND DWG 143A8330

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