# SDR YENA2025082800897

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2025
- Submitted: August 29, 2025
- Operation: Air carrier
- Aircraft: [N636JB](https://openairdocs.org/aircraft/N636JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02755
- Aircraft time: 70,310 hours, 25,106 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 974540
- Part serial: G0540638
- Condition: Failed
- Location: Zone 100
- Part time: 70,315 hours, 25,105 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025082800897

## Discrepancy

FLT#384, MCO-JFK.(AN EMERGENCY WAS DECLARED) "HYDRAULIC YELLOW RESERVOIR OVERHEAT ECAM MESSAGE AFTER TAKEOFF; COMPLETED OPS CHECK OF YELLOW HYD ELECTRIC PUMP/YELLOW HY PRESSURE SWITCH IAW AMM 29-13-00 REF LG PG 4330481 ITEM 1+2.  REMOVED AND REPLACED YELLOW HYD PRESSURE SWITCH IAW AMM 32-12-00. REMOVED AND REPLACED YELLOW HYD ELECTRIC PUMP IAW AMM 29-24-51,

---
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.