# SDR SWAA2021100510824 - Type: Service difficulty report (as reported; unverified) - Difficulty date: August 24, 2021 - Submitted: October 5, 2021 - Operation: Air carrier - Aircraft: N7859B - Make and model: Boeing 737-7Q8 - Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs) - Aircraft serial: 30641 - Aircraft time: 55,430 hours, 36,644 cycles - System (JASC): [5313 ยท Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313) - Part: Tie Clip - Condition: Cracked - Location: Fuselage - Stage of operation: IN - How discovered: 9 - Nature of condition: O - Precautionary procedure: K - FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/) - Page: https://openairdocs.org/sdr/SWAA2021100510824 ## Discrepancy CRACK TIE CLIP LOCATED AT BS 270 ON STR 10R AT PASSENGER CABIN ; 2021-392929 / [01] REMOVED TIE CLIP LOC. ON BS 270 STRG 10R IAW B737-700 SRM 51-40-02-0G-0 AND PERFORMED VISUAL INSPECTION AND NOT FOUND MORE DAMAGE; [02] TOOK MEASURES CRACK LENGTH IS: 0.645 DUE TO NOT FOUND ALLOWABLE DAMAGE ON B737-700 SRM TIE CLIP MUST BE REPLACED TOOL USED: CALIPER; P/N:500-464; S/N:B17030924; DUE DATE: 03/NOV/21; [03] VERIFIED STEP 1 AND 2; [04] DRILLED HOLES ON NEW TIE CLIP AND PROTECTIVE TREATMENT ON HOLES I.A.W B737-700 SRM 51-20-07-0G-0 AND 51-20-01-0G-0; [05] STEP 4 COMPLETE; RII.; [06] OBTAINED OK TO INSTALL NEW TIE CLIP AND FASTENER.; [07] OK GRANTED STEP 6 CERTIFIED; [08] OK GRANTED STEP 6 CERTIFIED RII; [09] INSTALLED NEW TIE CLIP LOC. ON BS 270 STRG 10R IAW B737-700 SRM 51-40-02 AND DWG 141A1110 SHEET 18 REV:-; [10] STEP 9 COMPLETED; RII.; [11] STEP 9 COMPLETED; RII.; [12] REPLACED NEW TIE CLIP LOC. ON BS 270 STRG 10R IAW B737-700 SRM 51-10-02 STEP 9 AND SRM 51-40-02 AND DWG 141A1110 SHEET 18 REV:-; [13] VERIFIED TASK COMPLETE.
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