# SDR CALA2025052905086

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2025
- Submitted: May 29, 2025
- Operation: Air carrier
- Aircraft: [N76010](https://openairdocs.org/aircraft/N76010), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29480
- Aircraft time: 121,301 hours, 12,580 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Indicator
- Part number: C16221QA01
- Part serial: C16221018054
- Condition: Faulty
- Location: Flight Deck
- Part time: 60,761 hours, 6,199 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025052905086

## Discrepancy

*A/R* DUE TO LOSS OF ALTITUDE AND SPEED READOUTS ON THEIR INTEGRATED STANDBY FLIGHT DISPLAY.ISFD SPEED AND ALTITUDE FLAGS REPLACED ISFD. OPS. CK. GOOD. TEST RESULT DISPLAYS TEST OK.  REF AMM-34-24-02-400-801.

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