# SDR DALA2026011400340

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2025
- Submitted: January 14, 2026
- Operation: Air carrier
- Aircraft: [N129DU](https://openairdocs.org/aircraft/N129DU), 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: 50048
- Aircraft time: 14,958 hours, 6,921 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Sill
- 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/DALA2026011400340

## Discrepancy

ER/A 630257-14; A220-100 / FWD FUSELAGE / FWD CARGO DOOR / SURROUND STRUCTURE / SILL / BTWN FR25 - FR28 / REPLACEMENT / CORROSION. SUBJECT REPAIR REQUIRES FOLLOW-ON ACTION. ACCOMPLISH ER/A 630257-14, SECTION II INSPECTION BEFORE AIRCRAFT EXCEEDS 40,600 TOTAL FLIGHT HOURS OR 20,300 TOTAL AIRCRAFT FLIGHT CYCLES FROM TIME OF MANUFACTURE, WHICHEVER OCCURS FIRST. REPEAT SECTION II WITHIN EVERY 9,400 FLIGHT HOURS OR 4,700 FLIGHT CYCLES, WHICHEVER OCCURS FIRST. ASSOCIATED ER/A 14-630257 ADDED FOR AC 8129 LOG-PAGE UPDATED @ 15DEC25 1840 UTC 03 DFRD BY BROWN 00552805 ATL 23DEC25 RII: N ENTR 00552805 W ADDED "AD" TO ERA NUMBER. REVISED NUMBER IS 630257-14AD. (LP# 1353055)

---
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.