# SDR DALA2026061503583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2026
- Submitted: June 16, 2026
- Operation: Air carrier
- Aircraft: [N137DU](https://openairdocs.org/aircraft/N137DU), registered now
- Make and model: Airbus BD-500-1A10
- Registry model: [Airbus BD-500-1A10](https://openairdocs.org/model/airbus-canada-ltd-ptnrsp-bd-500-1a10) (OpenAirDocs)
- Aircraft serial: 50056
- Aircraft time: 14,727 hours, 6,796 cycles
- System (JASC): [5350 · Aerodynamic Fairings](https://openairdocs.org/jasc/5350)
- Part: Longeron
- Condition: Corroded
- Location: Zone 100
- 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/DALA2026061503583

## Discrepancy

ER/A 634632-14; A220-100, MID FUSELAGE WING TO BODY FAIRING LONGERONS  BTWN FR36-38, FR42-FR45, & FR48-FR52  CORRODED. SUBJECT REPAIR REQUIRES FOLLOW-ON ACTION. ACCOMPLISH 634632-14, SECTION II REPETITIVE INSPECTION WITHIN EVERY 1,000 FLIGHT HOURS FROM 14,712 TOTAL AIRCRAFT FLIGHT HOURS AS OF 10JUN26 UNTIL SECTION III IS ACCOMPLISHED. ACCOMPLISH SECTION III PERMANENT REPAIR WITHIN 10,000 FLIGHT HOURS FROM 14,712 TOTAL FLIGHT HOURS AS OF 10JUN26. ADDITIONAL ENGINEERING AUTHORIZATION (ER/A REVISION) IS REQUIRED FOR FLIGHT BEYOND THIS LIMIT. ASSOCIATED ER/A 00-634632 ADDED FOR AC 8137. (LP# 1639775; AIRCRAFT WAS GROUNDED)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.