# SDR 9WGA2022091945201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2022
- Submitted: September 21, 2022
- Operation: Air carrier
- Aircraft: [N452SN](https://openairdocs.org/aircraft/N452SN), registered now
- Make and model: Boeing 747-48E
- Registry model: [Boeing 747-48E](https://openairdocs.org/model/boeing-747-48e) (OpenAirDocs)
- Aircraft serial: 25452
- Aircraft time: 120,896 hours, 20,131 cycles
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: Actuator
- Condition: Cracked
- Location: Mlg Door
- Stage of operation: CL
- 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/9WGA2022091945201

## Discrepancy

HYDRAULIC PRESSURE SYSTEM 1 AND HYDRAULIC QUANTITY LOW 1 EICAS CAME ON SOON AFTER TAKE-OFF.  REMOVED AND REPLACED NLG DOOR ACTUATOR IAW AMM 32-34-14-404-02. OPS AND LEAKS CHECK GOOD. SERVICED #1 HYDRAULIC SYSTEM IAW AMM 12-12-01-603-001, LEAK CHECKS GOOD.

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