# SDR 2000UALA00568

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2000
- Aircraft: N785UA BOEING 777222
- Engine: PWA PW4090
- Part: INDICATOR
- Condition: MALFUNCTIONED
- JASC code: 3435 · Heads Up Display System
- Page: https://openairdocs.org/sdr/2000UALA00568

## Discrepancy

DURING CLIMBOUT-PASSING 15,000-BOTH ALTIMETER INDICATIONS ON THE PFD''S TURNED AMBER IN COLOR AND SURROUNDED BY AMBER BOX.  DIVERTED IAD.  *S/D*  PER  777 FLIGHT MANUAL PAGE 19-63 FOR THE INFORMATION ABOUT THE BAROMETRIC SETTING THE FOLLOWING IS QUOTED THE DISPLAY APPEARS IN A BOX AND CHANGES TO AMBER IF A BAROMETRIC SETTING IS SET AND ALTITUDE CLIMBS ABOVE THE TRANSITION ALTITUDE, OR IF STD IS SET AND ALTITUDE DESCENDS BELOW THE TRANSITION FLIGHT LEVEL.  THERE WERE NO MESSAGES OR CORRELATED MESSAGES NOTED.  THE M004 AND M009 AIMS MODULES WERE RESET.  THE GROUND OPERATIONAL CHECKS WERE COMPARED WITH OTHER B777 AIRCRAFT AND THEY WERE THE SAME.  ALL SYSTEMS RELATED TO THIS INDICATION CHECKED NORMAL.  THERE WERE N

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.