Service difficulty report · Support Bracket · Boeing

Difficulty date
September 6, 2021
Submitted
October 18, 2021
Operation
Air carrier
Aircraft
N7826B
Make and model
Boeing
Aircraft serial
30035
Aircraft time
50,751 hours, 33,909 cycles
Part
Support Bracket
Condition
Cracked
Location
L/H Wing
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 SUPPORT BRACKET LOCATED BTW ORSS 261 TO ORSS 297 AT LT WING ; 2021- 403645 / [01] REMOVED SUPPORT BRACKET LOCATED BTW ORSS 261 TO ORSS 297 AT LT WING DUE TO NOT FOUND ALLOWABLE DAMAGE LIMITS FOR CRACK IN SRM B737-700; IAW B737-700 SRM 51-40-02; MEASURE OF CRACK IS 0.614 TOOL USED CALIPER PN:500-752-20; SN:B20317422; DUE DATE: 05AUG22 SUPPORT BRACKET MUST BE REPLACED AND PERFORMED VISUAL INSPECTION ON ADJACENT AREA AND NOT FOUND MORE DAMAGE.; [02] COMPLETED STEP 1.; [03] DRILLED NEW SUPPORT BRACKET LOCATED BTW ORSS 261 TO ORSS 297 AT LT WING IAW B737-700 SRM 51-40-05; [04] DRILLED NEW SUPPORT BRACKET LOCATED BTW ORSS 261 TO ORSS 297 AT LT WING IAW B737-700 SRM 51-40-05; [05] APPLIED PROTECTIVE TREATMENT ON ALL OPEN HOLES NEW SUPPORT BRACKET LOCATED BTW ORSS 261 TO ORSS 297 AT LT WING IAW B737-700 SRM 51-20-01; [06] OK TO INSTALL NEW SUPPORT BRACKET LOCATED BTW ORSS 261 TO ORSS 297 AT LT WING; [07] STEP 5 AND 6 COMPLETED OK TO INSTALL GRANTED; [08] INSTALLED SUPPORT BRACKET LOCATED BTW ORSS 261 TO ORSS 297 AT LT WING I.A.W B737-700 SRM 51-40-02; DWG 115A2930 SHEET 7 REV-.; [09] REPLACED SUPORT BRACKET LOCATED BTW ORSS 261 TO ORSS 297 AT LT WING I.A.W. B737-700 SRM 51-10-02; 51-40-02 DWG 115A2930 SHEET 7 REV-.; [10] CERTIFIED STEP 8 AND 9<BR>TASK CARD COMPLETED