# SDR SWAA2018122827923

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2018
- Submitted: December 28, 2018
- Operation: Air carrier
- Aircraft: [N8557Q](https://openairdocs.org/aircraft/N8557Q), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63582
- Aircraft time: 3,658 hours, 1,550 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 887477
- Condition: Faulty
- Location: Hydraulic Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: S, F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2018122827923

## Discrepancy

DECLARED EMERGENCY, TE FLAPS WOULD NOT FULLY EXTEND.  R&R TE FLAP HYD PUMP PER MM.

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