Service difficulty report · None · Boeing 73776N

Difficulty date
August 21, 2021
Submitted
October 5, 2021
Operation
Air carrier
Aircraft
N7885A
Make and model
Boeing 73776N
Aircraft serial
33379
Aircraft time
58,530 hours, 28,804 cycles
Part
None
Condition
Cracked
Location
R/H Horiz. Stab.
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

REMOVE RH HORIZONTAL STABILIZER RIB #5 FOR CRACK REPAIR AND REINSTALL WHEN REPAIR IS COMPLETED. ; / [01] REMOVED RH HORIZONTAL STABILIZER RIB #5 AS PER REF B737-700 SRM 51-40-02-0G-0; [02] DISPLACED ELEVATOR BALANCE PANEL AT R/H HORIZONTAL STABILIZER T/E BAY 2 REF B737 -700 AMM 27-31-41-000-801; [03] OK TO INSTALL STABILIZER RIB #5.; [04] MIXED RMS 5-95 SEALANT AT 20:00 09-03-2021 SQUEEZE OUT TIME BY 20:00 09-06 -2021; [05] VERIFIED 100% FASTENER INSTALLED BY SQUEEZE OUT TIME; [06] INSTALLED RIB#5 AT RH HORIZONTAL STABILIZER AS PER REF B737 -700 SRM 51-40-02-0G-0; [07] VERIFIED STEP # 6.; [08] OK TO REINSTALL ELEVATOR BALANCE PANEL.; [09] REINSTALLED ELEVATOR BALANCE PANEL AS PER REF B737-700 SRM 51-40-0G-0 AND AMM 27-31-41 000-801; [10] C/W; [11] CORRECTION FOR STEP 9.<BR>REINSTALLED R/H ELEVATOR BALANCE PANEL AT BAY 2 AS PER REF. B737-700 SRM 51-40-0G-0 AND AMM 27-31-41 000-801; [12] (RII) VERIFIED REINSTALLATION. OPS CHECK GOOD.<BR>TORQUE WRENCHES USED:<BR>B/C:164347<BR>CALIB. DUE DATE: 22-MAR-22<BR>B/C:166520<BR>CALIB. DUE DATE: 16-FEB-22; [13] VERIFIED JOB ACCOMPLISHMENT FROM STEP NO 1 TO STEP NO12. FOR RIB #5 REPAIR SEE J/C(TTG8Q0067X79).; [14] VERIFIED MEASUREMENTS TABLE AS REQUIRED.; [15] VERIFIED BALANCE PANEL INSTALLATION;

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