# SDR 2001UALA00451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2001
- Submitted: May 16, 2001
- Operation: Air carrier
- Aircraft: N7457U
- Make and model: Boeing 727222
- Aircraft serial: 21911
- Aircraft time: 59,987 hours, 34,476 cycles
- Engine: Pwa JT8D15
- System (JASC): [3454 · Visual Omnirange (VOR) System](https://openairdocs.org/jasc/3454)
- Part: Receiver
- Condition: Failed
- Location: Vor System
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001UALA00451

## Discrepancy

AIRCRAFT DIVERTED TO STL DUE TO NAVIGATION SYSTEM FAILURE IN ROUTE. STATIC WICKS AND NAV RECEIVER FAILED.  FOUND TWO BAD STATIC DISCHARGE WICKS AND NR 1 VOR RECEIVER TO BE WEAK.  REPLACED STATIC WICKS AND NR 1 VOR RECEIVER. SYSTEM CHECKS NORMAL PER MAINTENANCE MANUAL.

---
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.