# SDR DALA2026071004049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2026
- Submitted: July 10, 2026
- Operation: Air carrier
- Aircraft: [N307DU](https://openairdocs.org/aircraft/N307DU), 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: 55096
- Aircraft time: 15,685 hours, 7,113 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- 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/DALA2026071004049

## Discrepancy

FWD SERVICE DOOR THRESHOLD - CORROSION FOUND AT FWD INBD CORNER. SCEPTRE LOG PAGE ENTERED FOR SDR REPORTING. SUMMARY SEE NR FOR ADDITIONAL INFORMATION 001-0196:2531-4003/017 00584 COMPLETE: DRILLED NEW THRESHOLD, REF A220 ASRP BD500-A-J51-77-00-00AAA-028A-A. INSTALLATION TO BE ACCOMPLISHED ON NR 490. (LP# 1686827; AIRCRAFT WAS GROUNDED)

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