# SDR CALA2026042415685

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2026
- Submitted: April 24, 2026
- Operation: Air carrier
- Aircraft: [N826UA](https://openairdocs.org/aircraft/N826UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 989
- Aircraft time: 79,817 hours, 35,585 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Servo Valve
- Part number: C203740002
- Part serial: 9515
- Condition: Faulted
- Location: Zone 700
- Stage of operation: AP
- 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/CALA2026042415685

## Discrepancy

AUTO BRAKES FAULT ON ECAM. POST FLIGHT REPORTED FAILED BRAKE NORMAL SERVO VALVE 16GG FAILED REMOVED AND REPLACED NORMAL BRAKE SERVO VALVE PER AMM 32-42-48-400-001-A, PERORMED OPS CHECK PER AMM 32-42-00-720-005-A, OPS CHECK GOOD, AND FONCTIONAL TEST OF TECHOMETER PER AMM 32-42-00-720-002-A. TEST PASS. PARTS USED:  31-3244-9-9004,QTY :1 MFG PN ON - C20374000-2 MFG SN ON - 59125 M&E SN ON - 09125 M&E PN ON - 31-3244-9-9004 MFG SN OFF - UNABLE TO IDENT MFG PN OFF - UNABLE TO IDENTIFY ROTABLE PARTS CHG:TT # 1290256 SN OFF 4026 PN OFF 31-3244-9-9004 IPC REFERENCE # DP STATUS UNREADABLE M&E OFF 31-3244-9-9004 SN OFF 4026 - S/N ENTERED IS INVALID        VALVE, SERVOVAL  OFF 31-3244-9-9004 9515 ON 31-3244-9-9004 9125

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