# SDR R61A2026010500002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2026
- Submitted: January 5, 2026
- Operation: Air carrier
- Aircraft: [N135HQ](https://openairdocs.org/aircraft/N135HQ), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000224
- Aircraft time: 43,518 hours, 32,986 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- 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/R61A2026010500002

## Discrepancy

EVALUATED 14EA SPOT OF CORROSION ON COCKPIT COPILOT'S FLOOR DOUBLER AS MARKED AND REMOVED DAMAGE BY BLENDING. DEEPEST MEASURED(LOCATED BETWEEN FR 9-8): L=6.1", W=1", MATERIAL LOSS= 0.015", ORIGINAL THICKNESS= 0.040", MAX. ALLOWABLE MATERIAL LOSS= 0.008"(20%), REMAINING THICKNESS= 0.025". DAMAGE FOUND TO BE OUT OF LIMITS. REF SRM 53-10-10/AD04.

---
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.
