# SDR SWAA2022101846425

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2022
- Submitted: October 25, 2022
- Operation: Air carrier
- Aircraft: [N8644C](https://openairdocs.org/aircraft/N8644C), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 35973
- Aircraft time: 26,784 hours, 12,542 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- 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/SWAA2022101846425

## Discrepancy

BS 312 FRAME CRACKED AT STR. 5L LBL 32. / [01] NO ALLOWABLE LIMITS FOUND FOR BS312 FRAME CRACK DAMAGE TO BE REMOVED I.A.W SRM 51-10-02-0G-0 AND SUBMITTED TO ENG. FOR FURTHER INSTRUCTIONS;[02] REMOVED CRACK ON BS312 FRAME UPPER CHORD INNER FLANGE 0.150 LENGHT LBL33 BETWEEN STR5L AND STR6L I.A.W SRM 51-10-02-0G-0;[03] REQUEST HFEC TO VERIFY CRACK FREE CONDITION ON TRIMMED AREA;[04] HFEC INSPECTED CUTOUT AREA IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23.<BR>NO CRACKS NOTED.<BR>EQUIP USED:<BR>-NORTEC 600 ID: ATS2353 CAL DUE: 01/23;[05] VERIFIED CORRECTIVE ACTION #1; 2;[06] REPAIRED DAMAGE ON CRACKED FRAME AT BS312 LBL33 BETWEEN STR5L AND STR6L I.A.W EA 22-153-01244 ATTACHED COSTUMER CARD TTG8Q00F4KR5;[07] VERIFIED CORRECTIVE ACTION ITEM 6.<BR>VERIFIED MEASUREMENTS TABLE. FAULT COMPLETE.

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