Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
June 23, 2022
Submitted
August 11, 2022
Operation
Air carrier
Aircraft
N951WN
Make and model
Boeing 7377H4
Aircraft serial
36665
Aircraft time
39,132 hours, 23,683 cycles
Part
Sidewall Support
Condition
Corroded
Location
Aft Cargo Bay
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 AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 21 BS 767; BS 767+3; BS 767+10; BS 807+6; BS 807+10. / [01] SRM 53-00-53-1A-2 IS FOUND TO BE APPLICABLE;[02] EVALUATED CORROSION ON ACB FLOOR TO SIDEWALL SUPPORT LBL 21 BS767 L=1'XW=.3'XD=.0005'; BS767+3' L=1'XW=.7'XD=.003'; BS767+10' L=1.8'XW=.5'XD=.004'; BS807+6' L=..8'XW=.7'XD=.0045'; BS807+10' L=.9'XW=.9'XD=.004'. DAMAGE FOUND TO BE OUT OF LIMITS WITH REMAINING THICKNESS OF .0355' OF ORIGINAL THICKNESS OF .040'. IAW SRM 53-60-53-0I-2 AND SRM 53-00-53-1A-2.;[03] DIAL DEPTH GAUGE USED IN CORRECTIVE ACTION 2 ID:ATS2473 S/N: UNKNOWN DUE:07/2022;[04] INSPECTED ACTION 1-3; VERIFIED MEASUREMENT TABLE;[05] PART IS TO BE REPLACED ON CUSTOMER CARD TTG8Q00D6D3D;[06] INSPECTION COMPLETE

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