# SDR CALA2024031100688

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2024
- Submitted: March 11, 2024
- Operation: Air carrier
- Aircraft: [N469UA](https://openairdocs.org/aircraft/N469UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1409
- Aircraft time: 71,094 hours, 30,681 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Reservoir
- Part number: C19DS0014
- Condition: Overserviced
- Location: Yellow Hyd, W/W
- Stage of operation: DE
- How discovered: O
- Nature of condition: W, M, J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024031100688

## Discrepancy

CREW REPORTS YELLOW RESERVOIR OVERHEAT IN FLIGHT. YELLOW RESERVOIR APPEARS OVER SERVICED. ITEM LOCKED TO CONFIRM FIX. SERVICED AND COMPLIED WITH TSM REF TSM 29-13-00-810-802-A. - TOMC KROWN PERFORM INITIAL EVALUATION HYD OVERHEAT MSG. FOUND YELLOW SYSTEM WAY OVER SERVICED. ALL THREE INDICATIONS REFLECT SAME. PICTURES ATTACHED. SERVICE YELLOW HYD SYST QTY. IAW AMM 12-12-00. PERFORM YELLOW SYST HYD PUMP CHECK. IAW AMM 29-24-00-710-001 & TASK 29-24-00-810-802 - A0. OPS CHKS NORMAL. PERFORM #2 ENG RUN. IAW AMM 71-00-00. ENG DRIVEN HYD PUMP CHKS GOOD WITH NORMAL FLT DECK INDICATIONS. AC OK TO CONTINUE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.