# SDR DALA2026091605181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2026
- Submitted: September 17, 2026
- Operation: Air carrier
- Aircraft: [N301DU](https://openairdocs.org/aircraft/N301DU), 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: 55069
- Aircraft time: 15,508 hours, 6,823 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/DALA2026091605181

## Discrepancy

ER/A 636601-14 CORROSION REPAIR TO WING TO BODY FAIRING LH LONGERON BETWEEN FR 40 TO FR 48 REQUIRES FOLLOW ON ACTION. ACCOMPLISH 636601-14 SECT II REP INSPECTION WITHIN EVERY 1000 FLIGHT HOURS FROM SECT I ACCOMPLISHMENT. ACCOMPLISH SECT III PERMANENT REPAIR WITHIN 10,000 FH FROM SECT. I. ADDITIONAL ENG AUTHORIZATION (ER/A REVISION) IS REQUIRED BEYOND THIS LIMIT. ASSOCIATED ER/A 00-636601.  (LP 1802335; 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.
