# SDR DALA2026050402801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2026
- Submitted: May 4, 2026
- Operation: Air carrier
- Aircraft: [N304DU](https://openairdocs.org/aircraft/N304DU), registered now
- Make and model: Airbus BD-500-1A11
- Registry model: [Airbus BD-500-1A11](https://openairdocs.org/model/airbus-canada-lp-bd-500-1a11) (OpenAirDocs)
- Aircraft serial: 55080
- Aircraft time: 15,032 hours, 6,813 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- 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/DALA2026050402801

## Discrepancy

CORROSION AROUND FASTENER HOLE ON FLOORBOARD SUPPORT STRUCTURE R/H SIDE BETWEEN FR 76 AND FR78 APPROX RBL 37.5 SECOND FROM FORWARD FASTENER HOLE. REMOVED AND REPLACED FLOORBOARD SUPPORT STRUCTURE R/H SIDE BETWEEN FR76 AND FR78 APPROX RBL 37.5 I.A.W. A220 ASRP BD500- A-J51-42-20-00AAA-078A-A. (LP# 1573040; AIRCRAFT WAS GROUNDED)

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