# SDR CALA2025062305782

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2025
- Submitted: June 23, 2025
- Operation: Air carrier
- Aircraft: [N476UA](https://openairdocs.org/aircraft/N476UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1508
- Aircraft time: 67,945 hours, 29,672 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025062305782

## Discrepancy

G HYD RSVR LO LV ECAM - TOMC KROWN UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. ISOLATE LEAK SOURCE.   ISOLATE LEAK SOURCE.  FOUND UNION O-RING DAMAGED ON THE PTU-MANIFOLD GREEN, (1113GM). REPLACED "O" RING, LEAK CHECKS GOOD. ACCOMPLISHED AMM 29-00-00-280-006-A-01, (4-A-2). CHECKED REQUIRED FILTERS PER MM. ALL WERE CLEAN.

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