Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
May 17, 2024
Submitted
June 19, 2024
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
66,413 hours, 39,649 cycles
Part
Sidewall Support
Part number
UNKNOWN
Condition
Corroded
Location
Bs 727b-767
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 AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE HAS MULTIPLE AREAS AROUND NUT PLATE HOLES BS727B TO BS767 RBL22 WL156<[01] CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT FOUND TO BE OUT OF LIMITS. REMOVED; REPLACED AND INSTALLED NEW R/H FLOOR TO SIDEWALL SUPPORT PLATE AT BS 727 TO 767 RBL 22 WL 156 PER SRM 53-00-53-1A-2; SRM 51-40-05-0G-0; SRM 51-40-02-0G-0 AND DWG 146A7500.;[02] VERIFIED RII ITEMS COMPLETE;[03] VERIFIED

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