# SDR SWAA2022082636902

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2022
- Submitted: August 26, 2022
- Operation: Air carrier
- Aircraft: [N8645A](https://openairdocs.org/aircraft/N8645A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36907
- Aircraft time: 27,093 hours, 12,483 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Damaged
- 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/SWAA2022082636902

## Discrepancy

PASS CABIN TRANSVERSE FLOORBEAM STA 380 HAS SCRIBE MARK FROM LBL13-LBL21 / [01] BLENDED OUT THE SCRIBE MARK AT STA 380 THE TRANSVERSE FLOORBEAM UPPER SURFACE FROM LBL13-LBL21 AS PER SRM 51-10-02. IT IS WITHIN THE ALLOWABLE DAMAGE LIMIT AS PER SRM 53-10-51-1A-1 FIG. 105 DETAIL C. NOMINAL THICKNESS .125?; BLENDED OUT .003? AND THE REMAINING THICKNESS IS .122?.;[02] C/W HFEC OF BLENDED AREA PER BOEING 737 NDT MANUAL PART6; 51-00-00 PROC.23. NO DEFECTS NOTED.;[03] REMOVED SCRIBE MARK PER SRM 51-10-02. FOUND TO BE WITHIN ALLOWABLE DAMAGE LIMITS PER SRM 53-10-51-1A-1 FIG.105; DETAIL C. NOMINAL THICKNESS 0.125?; REMOVED 0.003?; REMAINING THICKNESS 0.122?. TREATED AND PRIMED PER SRM 51-20-01;[04] REMOVED SCRIBE MARK PER SRM 51-10-02. FOUND TO BE WITHIN ALLOWABLE DAMAGE LIMITS PER SRM 53-10-51-1A-1 FIG.105; DETAIL C. NOMINAL THICKNESS 0.125?; REMOVED 0.003?; REMAINING THICKNESS 0.122?. TREATED AND PRIMED PER SRM 51-20-01

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