Service difficulty report · Stiffener · Boeing 7377Q8

Difficulty date
March 7, 2023
Submitted
March 30, 2023
Operation
Air carrier
Aircraft
N7819A
Make and model
Boeing 7377Q8
Aircraft serial
30649
Aircraft time
65,235 hours, 39,673 cycles
Part
Stiffener
Condition
Cracked
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

CRACK ON AFT CARGO BAY WATER SERVICE BRACKET AT BS 907+12 RBL 12.<[01] EVALUATED STIFFENER BS 907+12 RBL 12 WL 170.5; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-0-0G-0;[02] VERIFIED CORRECTIVE ACTIONS STEP 1.;[03] REMOVED DAMAGED AFT CARGO BAY WATER SERVICE BRACKET AT BS 907+12 RBL7- RBL19 IAW SRM 51-40-02-0G-0.;[04] LOCATED AND DRILLED NEW AFT CARGO BAY WATER SERVICE BRACKET BS 907 PER SRM 51-40-05-0G-0 AND DWG 147A7221. OK TO INSTALL;[05] VERIFIED ITEM 4 CORRECTIVE ACTIONS. <BR>OK TO INSTALL.;[06] INSTALLED AFT CARGO BAY WATER SERVICE BRACKET AT BS 907+12 PER SRM 51-40-02-0G-0 AND DWG 147A7221;[07] VERIFIED ITEM 6 CORRECTIVE ACTIONS.;[08] VERIFIED MEASUREMENTS.

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