# SDR DALA2026061503581

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 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): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Structure
- 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/DALA2026061503581

## Discrepancy

WHILE WORKING NRC 00177 FOR REMOVAL OF WASTE SERVICE INTERNL SKIN DOUBLER, FOUND ADDITIONAL CORROSION ON WASTE BOX INTERNAL AREA AT AFT RT SENSOR . C/W DELTA ER/A 635012-14, REV: O SECTION I, WITHIN EVERY 1,000 FLT HRS FROM 14,712 TOTAL ACFT FLT HRS AS OF 05JUN26 UNTIL SECTION III IS ACCOMPLISHED, SECTION III WITHIN 10,000 FLT HRS FROM 14,712 TOTAL ACFT FLT HRS AS OF 05JUN26. ADDITIONAL ENGINEERING AUTHROIZATION IS REQUIRED FOR FLIGHT BEYOND THIS LIMIT REF. LOG PAGE 1638194 ASSOCIATED ER/A 14-635012. (LP# 1638983; 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.