Service difficulty report · Sidewall Support · Boeing 73779P

Difficulty date
August 22, 2023
Submitted
September 21, 2023
Operation
Air carrier
Aircraft
N7826B
Make and model
Boeing 73779P
Aircraft serial
30035
Aircraft time
56,002 hours, 37,056 cycles
Part
Sidewall Support
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 ON FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT STA 500A+2; +6; +10; +14; +18; 500B+2; +6; +18; RBL 24; WL 158.<[01] REPLACED ON FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT BETWEEN BS 500A - BS500D RBL.24 WL 156.5 IAW SRM 51-10-02; PARAG.9.C. DWG# 143A7500 REV: A;[02] VERIFIED CORRECTIVE ACTION ITEMS; CARD COMPLETE; EXCEPT MEASUREMENT FIELD ITEM 14 PART NUMBER INCOMPLETE BY AMT.;[03] CARD COMPLETE.

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