Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 29, 2022
Submitted
October 17, 2022
Operation
Air carrier
Aircraft
N266WN
Make and model
Boeing 7377H4
Aircraft serial
32523
Aircraft time
52,718 hours, 31,500 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

AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT HAS CORROSION AT STA 787 +2;+6.5;+8.5 TO 907; LBL 23 TO 25; WL 157. / [01] CLARIFICATION OF DAMAGE STATEMENT. AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT HAS CORROSION AT STA 787 +2;+6.5;+8.5 TO 807; LBL 23 TO 25; WL 157;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] SRM 53-00-53-1A-2 IS APPLICABLE FOR THIS;[04] BLENDED AREA ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT BS 787 ; WORK AREA BS 787+2 ; L 1.6' X W 0.9' X D 0.014' ; BS 787+6.5 ; L 1.3' X W 1.0' X D 0.014' ; BS 787+8.5; L 1.0' X W 0.7' X D 0.013' ; BS 787+14 ; L 1.0' X W 0.027' ; BS 807; L 0.7' X W 0.7' X D 0.011' ; BS 807+2 ; L 0.9' X W 0.6' X D 0.013' ; BS 807+6; L 0.9' X W 0.6' X D 0.010' ; BS 807+10; L 0.8' X W 0.6' X D 0.011' ; BS 807+14; L 0.8' X W 0.6' X D 0.016 ; BS 827; L 0.6' X W 0.5' ; BS 827+12; L 0.6' X W 0.5' X D 0.013' ; BS 827+19.5 ; L 0.9' X W 0.8' X D 0.017' ; FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 ; USED DEPTH GAGE ; ID: ATS2677; S/N: UNKNOWN ; DUE: 11/2022;[05] WORK TO BE COMPLETED ON CUSTOMER CARD TTG8Q00F3P17;[06] VERIFIED CORRECTIVE ACTION #3; #4; #5.<BR>VERIFIED MEASUREMENTS.

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