Service difficulty report · Support · Boeing 7378H4

Difficulty date
November 12, 2022
Submitted
November 23, 2022
Operation
Air carrier
Aircraft
N8512U
Make and model
Boeing 7378H4
Aircraft serial
38816
Aircraft time
20,066 hours, 9,602 cycles
Part
Support
Condition
Corroded
Location
Zone 100
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

FWD CARGO BAY AFT BULKHEAD BS 500I LOWER SUPPORT HAS MULTIPLE AREAS OF CORROSION AROUND FASTENERS RBL20 TO LBL20 WL156. FOUND TO BE OUT OF LIMITS PER SRM 53-30-08-1A-1. REMOVED FCB AFT BLKHD BS500I LWR SUPPORT RBL20-LBL20 WL156 IAW SRM 51-40-02. LOCATED AND DRILLED FCB AFT BULKHEAD LOWER SUPPORT IAW SRM 51-40-02-0G-0, SRM 51-40-05-0G-0. INSTALLED FCB AFT LOWER BULKHEAD SUPPORT IAW SRM 51-40-02-0G-0, DWG 143A7902..

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