# SDR SWAA2025022789739

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2025
- Submitted: February 27, 2025
- Operation: Air carrier
- Aircraft: [N8608N](https://openairdocs.org/aircraft/N8608N), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36638
- Aircraft time: 40,188 hours, 19,212 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025022789739

## Discrepancy

(CR - VERNON) FOUND FRAME CRACK AT STA 312 BETWEEN S-5L AND S-6L ABOVE L-1 DOOR<[01] REMOVED DAMAGE; FORMED; LOCATED; DRILLED; HFEC CUT OUT; OPEN HOLES AND FPI FORMED ANGLE; NO DEFECTS NOTED; ALODINED; PRIMED; INSTALLED REPAIR ANGLE; AND CIC REF B737-NG SRM 53-10-07-2R-1; THIS IS A CAT B REPAIR - THRESHOLD 50;000 CYC INSPECTION THRESHOLD; 12;000 CYC REPEAT HFEC FROM MANUFACTURED DATE.; [02] VERIFIED REMOVED DAMAGE; FORMED; LOCATED; DRILLED ANGLE; HFEC CUT OUT; OPEN HOLES AND FPI FORMED ANGLE; NO DEFECTS NOTED; ALODINE; PRIMED; INSTALLED REPAIR ANGLE; AND CIC REF B737-NG SRM 53-10-07-2R-1; THIS IS A CAT B REPAIR - THRESHOLD 50;000 CYC INSPECTION THRESHOLD; 12;000 CYC REPEAT HFEC FROM MANUFACTURED DATE; [03] VERIFIED REMOVED DAMAGE; FORMED; LOCATED; DRILLED ANGLE; HFEC CUT OUT; OPEN HOLES AND FPI FORMED ANGLE; NO DEFECTS NOTED; ALODINE; PRIMED; INSTALLED REPAIR ANGLE; AND CIC REF B737-NG SRM 53-10-07-2R-1; THIS IS A CAT B REPAIR - THRESHOLD 50;000 CYC INSPECTION THRESHOLD; 12;000 CYC REPEAT HFEC FROM MANUFACTURED DATE.

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