# SDR 249TR0012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2003
- Submitted: January 20, 2003
- Operation: Air carrier
- Aircraft: N249TR
- Make and model: Boeing 737-2K5
- Registry model: [Boeing 737-2K5](https://openairdocs.org/model/boeing-737-2k5) (OpenAirDocs)
- Aircraft serial: 22598
- Aircraft time: 46,032 hours, 26,598 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Computer
- Part number: 4038891916
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/249TR0012

## Discrepancy

F/O's ADI & HSI will not self test in VOR or ILS.  Removed & replaced FCCB computer.  Ops checknormal per MM 34-31-0 and 22-11-01.  Ops check good.

---
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.