# SDR AALA202406048822

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2024
- Submitted: June 4, 2024
- Operation: Air carrier
- Aircraft: [N853NN](https://openairdocs.org/aircraft/N853NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31105
- Aircraft time: 40,942 hours, 17,352 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: UNKNOWN
- Condition: Leaking
- Location: Hyd System
- Stage of operation: DE
- How discovered: V
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202406048822

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: HYDRAULIC SYSTEM-A LOW PRESSURE LIGHT CAME ON IN FLIGHT WITH DECREASING QUANTITY; AIRCRAFT LANDED SAFELY AT CUN. : REMOVED AND REPLACED ENGINE NUMBER 1 EDP ((AALA202405204064)), PER AMM 29-11-11. REMOVED AND REPLACED SYSTEM-A EMDP ((AALA202406042344)), PER AMM 29-11-21. REMOVED AND REPLACED HYDRAULIC PUMP PAD ROTATING SEAL ((AALA202406042259)). REMOVED AND REPLACED ENGINE NUMBER 1 EDP PRESSURE LINES ((AALA202406042917)) AND RETURN LINES ((AALA202406048822)), PER AMM 29-11-10. REMOVED AND REPLACED EMDP NUMBER 1 ACOUSTIC FILTER ((AALA202406041712)), PER AMM 29-11-27. FLUSHED SYSTEM-A HYDRAULIC FLUID ((AALA202406040098)), PER AMM 29-11-00.

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