# SDR REXA2021011200860

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2020
- Submitted: January 12, 2021
- Operation: Air carrier
- Aircraft: [N311PQ](https://openairdocs.org/aircraft/N311PQ), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15311
- Aircraft time: 15,422 hours, 11,087 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: SH670323647
- Condition: Corroded
- Location: Fuselage
- 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/REXA2021011200860

## Discrepancy

WHILE PERFORMING EO NR R53580, FOUND CORROSION BETWEEN FS 295 AND FS 310 STR 27 ON THE DOUBLER FOR LOWER TCAS ANTENNA.  REPLACED DOUBLER FOR LOWER TCAS ANTENNA, IAW CRJ 900 SRM 51-42-06-001-001-A01 AND CRJ 900 AMM 34-43-07-000/400-801-A03.

---
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.