# SDR 98UAL900452

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N420UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 489
- Engine: Iae V2527A5
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Fmgc
- Condition: Malfunctioned
- Location: E & E Compt
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98UAL900452

## Discrepancy

FMGC 1 AND 2 FROZEN.  NO RESPONSE TO INPUTS.  USED STANDBY NAV ON THE RMP'S.  *S/D*  RESET SYSTEM AND PERFORMED CAT III CAPABILITY PER AMM 22-97-00 AND AFFS TEST.  ALL TEST PASSED, NO FAULTS PRESENT.  CHECK PLR AND PFR WITH NO FAULTS DETECTED.  NO MORE PROBLEMS WITH FMGC SINCE THIS MRR.

---
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.