# SDR ASAA2017082521720

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2017
- Submitted: August 28, 2017
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 17,762 hours, 5,775 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7597 · Engine Bleed Air System Wiring](https://openairdocs.org/jasc/7597)
- Part: Connector
- Condition: Loose
- Location: Anti Ice Sys
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017082521720

## Discrepancy

AFTER SWITCHING NR 1 ENGINE ANTI-ICE SWITCH TO OFF, 10 MINUTES LATER COWL ANTI-ICE LIGHT ILLUMINATED DIM AFTER SELECTING SWITCH BACK TO OFF.  ACFT GROUNDED.  FOUND THE NR 1 TAI VALVE CONNECTOR PLUG VERY LOOSE.  REMOVED AND INSPECTED THE CONNECTOR AND RECEPTACLE, NO DEFECTS NOTED. REINSTALLED THE CONNECTOR PLUG, OPS CHECKED GOOD IAW OPS TEST IAW AMM 30-21-00. CYCLED VALVE NUMEROUS TIMES WITH NO FAILURE.

---
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.
