Service difficulty report · Support · Boeing 73776N

Difficulty date
November 15, 2021
Submitted
December 13, 2021
Operation
Air carrier
Aircraft
N7722B
Make and model
Boeing 73776N
Aircraft serial
32668
Aircraft time
49,599 hours, 25,042 cycles
Part
Support
Condition
Corroded
Location
Fuselage
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 FWD CARGO BAY AFT FLOOR TO SIDEWALL SUPPORT AT RBL 24 BS 500A+2; BS 500A+6; BS 500A+10; BS 500B+2. DAMAGE REMOVAL TO CLOSE TO FASTENER HOLES, OUT OF LIMITS. SUPPORT IS UNSERVICEABLE IAW SRM 53-00-53-1A-2. FWD CARGO BAY AFT FABRICATED NEW FLOOR TO SIDEWALL SUPPORT AT RBL 24 BS 500A TO BS 500D, LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG 143A7501 REV:- APPLY CHEMICAL CONVERSION COATING AND PRIMER. INSTALLED ON CARD TTG8Q004FMEJ.

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