# SDR CALA2021071401100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2021
- Submitted: July 14, 2021
- Operation: Air carrier
- Aircraft: [N404UA](https://openairdocs.org/aircraft/N404UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 450
- Aircraft time: 86,122 hours, 33,069 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Condition: Leaking
- Location: Hyd System
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021071401100

## Discrepancy

ECAM CAUTION MESSAGE - B RSVR LO LVL MESSAGE INOP - HYD HYD B SYS LO LVL UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK.  INVESTIGATE AND CONTACT TOMC 847-700-9980 UPDATED MAA CODE EFS USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK.  INVESTIGATE AND CONTACT TOMC 847-700-9980 REPLACED WORN LINE IN HYDRAULIC BAY, M&E NUMBER 18-2912-3-0017. SERVICED HYDRAULICS AND HEAD PRESSURE PER AMM 12-12-29. BLED BLUE SYSTEM PER AMM 29-00-00-870-009-A. TOPPED ALL THREE RESEVOIRS. HYDRAULICS OPERATION AND LEAK CHECK, CHECKED OK.

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