# SDR CALA2026083119069

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2026
- Submitted: August 31, 2026
- Operation: Air carrier
- Aircraft: [N69059](https://openairdocs.org/aircraft/N69059), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29454
- Aircraft time: 98,225 hours, 13,813 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Adm
- Part number: C17001DA01
- Part serial: 9378
- Condition: Faulted
- Location: Left
- Part time: 60,499 hours, 17,607 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026083119069

## Discrepancy

ALTIMETER DISAGREE- EICAS DISPLAYED..CAP 300 LOWER THAN FO ALT AT FL270.. ON DEBRIEF FROM CREW FTL WAS 25,000 FT. CAPTAINS ALTIMETER READING 300 HIGHER THEN F/O SIDE PER CREW BRIEFING, CA SIDE WAS 300 HIGHER THAN STBY AND FO. BOTH STBY AND FO READINGS WERE THE SAME AND DID NOT CLIMB HIGH THAN FL250. REMOVED AND REPLACED LEFT ADM ADIRU STATIC PRESSURE IN REF WITH AMM 34-26-03-404-009.

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