Service difficulty report · Support · Boeing 7377H4

Difficulty date
November 29, 2021
Submitted
December 27, 2021
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
58,698 hours, 34,771 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION- BS727 LBL9 FLOOR SUPPORT TO FWD BLKHD SUPPORT CORRODED, NO ALLOWABLE DAMAGE LIMITS ON SRM. REMOVED FLOOR SUPPORT IAW SRM 51-40-02-0G-0. FABRICATED, LOCATED, AND DRILLED THE NEW FLOOR SUPPORT IAW SRM 51-40-05-0G-0, AND DWG# 144A2600. APPLIED A CHEMICAL CONVERSION COATING IAW SOPM 20-43-03. PRIMED THE NEW ACB BS 727 LBL 9 FLOOR SUPPORT TRACK TO FWD BLKHD SUPPORT IAW SOPM 20-44-04 . INSTALLED THE NEW FLOOR SUPPORT IAW SRM 51-40-02-0G-0, AND DWG 146A2600.

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