Service difficulty report · Angle · Boeing 73776Q

Difficulty date
January 13, 2023
Submitted
February 16, 2023
Operation
Air carrier
Aircraft
N565WN
Make and model
Boeing 73776Q
Aircraft serial
30282
Aircraft time
56,383 hours, 37,305 cycles
Part
Angle
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 FWD CARGO BAY R/H AFT BULKHEAD TO SIDEWALL ANGLE AT BS 500D RBL 27.5; RBL 31; RBL 34; RBL 34; RBL 35; RBL 37; RBL 46; RBL 48; RBL 51. CORROSION ON FWD CARGO BAY R/H AFT BULKHEAD TO SIDEWALL ANGLE AT BS 500D RBL 27.5 RBL 31 RBL 34 RBL 35 RBL 37 RBL 46 RBL 48 RBL 51<[01] VERIFIED APPLICABILITY SRM 53-30-08-01-1 FOR IDENTIFICATION AND SRM 53-30-08-1A-1 FOR ALLOWABLE DAMAGE.<BR><BR>REMOVED CORROSION IAW SRM 51-10-02.<BR><BR>EVALUATED DAMAGE REMOVAL AT BLENDED AREA L=1'' W=0.800' ORIGINAL THICKNESS= 0.071'; REMAINING =0.055'; MATERIAL LOSS= 0.016'; MAX MAT REMOVE ALLOWABLE =0.015' FOUND TO BE OUT OF LIMITS IAW SRM 53-30-08-1A-1 PARA 4A (2) FIG 103 DETAIL C.<BR>TOOL ID: ATS2826 S/N: UNKNOWN DUE:01/2024.;[02] VERIFIED CORRECTIVE ACTION1 AND STEPS 1-8.;[03] THIS FAUL WILL BE ACOMPLISHED ON CARD TTG8Q00H706P;[04] VERIFIED CORRECTIVE ACTIONS STEP 1-8 AND CORRECTIVE ACTION 3.

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