# SDR ANCF202602264006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2026
- Submitted: February 26, 2026
- Operation: Air carrier
- Aircraft: [N477AV](https://openairdocs.org/aircraft/N477AV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 5477
- Aircraft time: 25,743 hours, 32,319 cycles
- Engine: Cfmint CFM565B4
- Engine time: 30,422 hours, 16,598 cycles
- System (JASC): [2930 · Hydraulic Indicating System](https://openairdocs.org/jasc/2930)
- Part: Switch
- Part number: D90ST2004000
- Part serial: 7257
- Condition: Abnormal
- Location: Hyd System
- Part time: 32,319 hours, 25,740 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/ANCF202602264006

## Discrepancy

HYD Y RSR LO LV - IAW AMM 29-13-41-000/400-004-A, REV 76,  THE LOW LEVEL SWITCH OF THE YELLOW HYDRAULIC RESERVOIR WAS REPLACED, TEST SATISFACTORY WITH ENGINE RUN-UP AMM 71-00-00-710-003-B REV.

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