# SDR UALA2010100403659

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2010
- Submitted: October 8, 2010
- Operation: Air carrier
- Aircraft: N550UA
- Make and model: Boeing 757222
- Aircraft serial: 25398
- Aircraft time: 71,286 hours, 20,654 cycles
- Engine: Pwa PW2040
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Symbol Generator
- Part number: S242T404421
- Part serial: 270
- Condition: Failed
- Location: Left
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010100403659

## Discrepancy

REF LOG 1 FLAG TRU HEADING DISPLAYED.  REPLACED LT SYMBOL GENERATOR.  OPS NORMAL.

---
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.