Service difficulty report · Floorbeam · Boeing 73776N

Difficulty date
July 16, 2021
Submitted
July 20, 2021
Operation
Air carrier
Aircraft
N7723E
Make and model
Boeing 73776N
Aircraft serial
32670
Aircraft time
48,099 hours, 24,239 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 887 Lbl3-8
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 ON UNDERSIDE OF FLOOR SUPPORT SPLICE AT AFT CARGO BAY BS887 LBL3 TO LBL8 WL 169 ; / [01] VERIFIED APPLICABILITY NOT ALLOWABLE DAMAGE PARTS THAT DO NOT HAVE ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-OG-0 STEP 9C. LOCATED AND DRILLED FLOOR SPLICE AT AFT CARGO BAY BS 887 LBL 3 TO LBL 8 WL 169 IAW SRM 51-40-05 AND DWG 146A9401 INSTALLATION WILL BE ACCOMPLISHED ON CARD # TTG8Q004AMCD VERIFIED ACTION 5

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