Service difficulty report · Support · Boeing 73776N

Difficulty date
August 23, 2021
Submitted
October 4, 2021
Operation
Air carrier
Aircraft
N7822A
Make and model
Boeing 73776N
Aircraft serial
32596
Aircraft time
59,949 hours, 29,584 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 AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT STA 867+15; RBL 22; WL 157 ; / [01] CORROSION ON SUPPORT WAS FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY TO FASTENER HOLES PER SRM 53-00-53-1A-2 FIGURE 103 DETAIL D.; [02] VERIFIED CORROSION OUT OF LIMITS PER SRM 53-00-53-1A-2; [03] UPDATED MEASUREMENT; [04] VERIFIED UPDATED MEASUREMENTS; [05] REMOVED ACB FLOOR TO SIDEWALL SUPPORT AT BS867 - BS887; RBL22; WL157 PER SRM 51-40-02-0G-0; [06] LOCATED AND DRILLED ACB FLOOR TO SIDEWALL SUPPORT AT BS867 - BS887; RBL22; WL157 PER SRM 51-40-05-0G-0 AND DWG 146A7500; [07] VERIFIED CORRECTIVE ACTION 6.; [08] OK TO INSTALL.; [09] OK TO INSTALL; [10] INSTALLED FLOOR TO SIDEWALL SUPPORT AT BS 887- 867 RBL 22 WL 156 IAW SRM 51-40-02-0G-0 AND DWG 147A7500; 146A7502;147A0060.; [11] VERIFIED INSTALLED FLOOR TO SIDEWALL SUPPORT AT BS 887- 867 RBL 22 WL 156 IAW SRM 51-40-02-0G-0 AND DWG 147A7500; 146A7502;147A0060.

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