# SDR SWAA2023070355711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2023
- Submitted: July 3, 2023
- Operation: Air carrier
- Aircraft: [N295WN](https://openairdocs.org/aircraft/N295WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32541
- Aircraft time: 51,370 hours, 30,880 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Beam
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023070355711

## Discrepancy

CORROSION ON PASSENGER CABIN FLOOR BEAM AT BS 986; RBL 20 - RBL 24 AND LBL 44; WL 208.<[01] NO LIMITS FOUND FOR PREVIOUS REPAIR A REVIEW OF AIRCRAFT MAINTENANCE RECORDS CONFIRMS THAT AS PER NRC N215090 THE PREVIOUSLY INSTALLED REPAIR IS DOCUMENTED AS BEING ACCOMPLISHED PER EA-1-753-35334 ENGINEERING RECOMMENDS TO REMOVE AND REPLACED THE DAMAGED BREPAIR PARTS PER 737-700 SRM 51-40-02-0G-0 AS SHOWN IN EA 1-753-35334 WITHOUT ANY DEVIATION;[02] REMOVED PREVIOUS DAMAGE T-CHORD REPAIR AND SPLICES BS986 LBL50-RBL50 WL208-WL206 I.A.W SRM 51-40-02-0G-0;[10] INSTALLED NEW T-CHORD L/H AND R/H SECTION BS986 LBL50-RBL50 WL208-WL203 I.A.W SRM 51-40-02-0G-0 ALL I.A.W ORIGINAL REPAIR RECORD ON NRC N215090 PER EA-1-753-35334 REV IR AND SRM 53-70-51-2R-4 REPAIR 4 WITHOUT ANY DEVIATION.

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