# SDR DALA2025122309351

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2025
- Submitted: December 23, 2025
- 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: 14,236 hours, 6,540 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Condition: Cracked
- 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/DALA2025122309351

## Discrepancy

LONGERON AT RBL 40.0 CRACKED AT FWD END APPROX 18"LONG AT RADIUS BETWEEN VERT & OUTER FLANGES. AD RELATED, WC 5352-01038-01B. REMOVED AND REPLACED LONGERON @ RBL 40.0 PER A220 ASRP 51-77-00. (LP# 1362563)

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