# SDR 99UAL900164

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N1828U
- Make and model: Doug DC-10-10
- Registry model: [Doug DC-10-10](https://openairdocs.org/model/mcdonnell-douglas-dc-10-10) (OpenAirDocs)
- Aircraft serial: 46627
- Engine: Ge CF66D
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Manifold
- Part number: AYG7056501
- Condition: Cracked
- Location: Nr 3 Hyd Syst
- Stage of operation: NR
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900164

## Discrepancy

NR 3 HYD SYSTEM TRANSFER VALVE MANIFOLD CRACKED AT FILTER BOWL BOSS LOCATED IN RIGHT WHEEL WELL. *S/D* LARGE FATIGUE CRACK FOUND IN THE PRESSURE FILTER THREADED BOSS DIRECTLY BEHIND THE FLIGHT CONTROL BYPASS VALVE.  MANIFOLD ASSEMBLY WAS REPLACED.

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