# SDR HNAA2026020100107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Aircraft: [N689EC](https://openairdocs.org/aircraft/N689EC), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500853
- Aircraft time: 44,914 hours, 40,805 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 7014700626
- Part serial: 704079438
- Condition: Failed
- Location: Nr 1
- Part time: 32,283 hours, 31,525 cycles
- Stage of operation: CR
- 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/HNAA2026020100107

## Discrepancy

ADC 1 FAILED IN FLIGHT   FACT  01FEB26  17:47  ALB   R&R'D ADC1 AT POS 100 IAW EMB145 AMM 34-15-01. PERFORMED LEAK CHECK IAW AMM 34-13-00. OPS CHECK DONE IAW AMM 34-15-00, SYSTEM TESTED SERVICEABLE, OK FOR SERVICE.

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