Service difficulty report · Stringer · Boeing 737724

Difficulty date
January 14, 2022
Submitted
January 17, 2022
Operation
Air carrier
Aircraft
N16713
Make and model
Boeing 737724
Aircraft serial
28784
Aircraft time
69,684 hours, 24,271 cycles
Part
Stringer
Part number
143A322115
Condition
Damaged
Location
Sta400-420
Stage of operation
IN
How discovered
O
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

STRINGER S-21L IS BROKEN BETWEEN STA.400 AND STA.420 DUE TO GROUND DAMAGE. VISUALLY INSPECTED AREA OF REMOVED DAMAGED STRINGER 21L BETWEEN STA 380-440 LH. NO FURTHER DAMAGE NOTED. OK TO CONTINUE CUT AND REMOVED DAMAGED STRINGER SECTION BETWEEN STA.380 AND STA.440 VERIFIED STRINGER RAWSTOCK MATERIAL FOR REPLACEMENT FILLER AS: BAC1498-157 P.O# 9400227, AND SPLICE SECTIONS 2EA. P/N: 69-78188-14, P.O# 9613712 REF. AVO # 713-22-01-06-01 REV.A, & SRM: 53-00-03 REPAIR: 1. OK TO CONTINUE VERIFIED STRINGER RAWSTOCK MATERIAL FOR REPLACEMENT FILLER AS: BAC1498-157 P.O# 9400227, AND SPLICE SECTIONS 2EA. P/N: 69-78188-14, P.O# 9613712 REF. AVO # 713-22-01-06-01 REV.A, & SRM: 53-00-03 REPAIR: 1 QC775 RE-VERIFIED STRINGER RAWSTOCK MATERIAL FOR REPLACEMENT FILLER RE-VERIFIED STRINGER RAWSTOCK MATERIAL FOR REPLACEMENT FILLER AS: BAC1498-155X7075T6 P.O# 7250143 AND SPLICE SECTIONS CUT 2EA. AS: BAC1498-155X7075T6 P.O# 7250143 AND SPLICE SECTIONS CUT 2EA. FROM P/N: 69-78188-10 REF. AVO # 713-22-01-06-01 REV.B, & SRM: FROM P/N: 69-78188-10 REF. AVO # 713-22-01-06-01 REV.B, & SRM: 53-00-03 REPAIR: 1. FOR TYPE I STRINGER 53-00-03 REPAIR: 1. FOR TYPE I STRINGER. OK TO CONTINUE. MGH PREVIOUS ENTRY NOTED AND SIGNED BY INSPECTOR U195719. OK TO CONTINUE. FABRICATE REPAIR STRINGER FILLER AND 2EA. SPLICE REPAIR SECTION FABRICATE REPAIR STRINGER FILLER AND 2EA. SPLICE REPAIR SECTION OK TO INSTALL S21L STRINGER SECTION AND REPAIR SPLICES STA REF. AVO# 713-22-01-06-01 REV.C, & SRM: 53-