# SDR YENA2026030400259

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2026
- Submitted: March 4, 2026
- Operation: Air carrier
- Aircraft: [N913JB](https://openairdocs.org/aircraft/N913JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 05909
- Aircraft time: 43,835 hours, 13,772 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Zone 200
- 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/YENA2026030400259

## Discrepancy

DURING HEAVY MAINTENANCE: EVIDENCE OF CORROSION ON FLOOR BEAM Y765 UPPER SURFACE @ FR.16; REMOVED AND REPLACED FLOOR BEAM Y765 IAW SRM 51-72-11-911-001 SRM 51-42-11 ALL WORK ACCOMPLISHED ON STS WO W004054 NR N0491.

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