# SDR MZZA96004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N86426
- Make and model: Boeing 727227
- Aircraft serial: 21364
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Cdi
- Part number: 5222782004
- Condition: Failed
- Location: Nr 2 Position
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A, J
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MZZA96004

## Discrepancy

GUM - FLT 977 - NR 2 OMEGA WARNING LIGHT ON AND DISPLAY BLANK.  RESET CIRCUIT BREAKER, WORKED FOR 15 MINUTES, THEN SAME.  AIR RETURN BACK TO GUAM AFTER DUMPING 9,000 POUNDS OF FUEL.  MAINTENANCE REPLACED NR 2 OMEGA CDU AND RPU, WITH NO HELP.  FURTHER TROUBLESHOOTING FOUND PROBLEM WITH NR 2 CDI ASSEMBLY.  REMOVED AND REPLACED NR 2 CDI, AND SYSTEM OPERATION CHECK GOOD.  (X)

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