# SDR 2001UALA02398

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2001
- Submitted: March 14, 2002
- Operation: Air carrier
- Aircraft: N548UA
- Make and model: Boeing 757222
- Aircraft serial: 25396
- Aircraft time: 37,226 hours, 11,037 cycles
- Engine: Pwa PW2037
- Engine time: 27,416 hours, 9,035 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Vent Line
- Part number: 1A821101
- Condition: Cracked
- Location: Nr 1 Engine
- Stage of operation: CR
- 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/2001UALA02398

## Discrepancy

NUMBER 1 ENGINE OIL QUANTITY WENT TO ZERO IN CRUISE.  NUMBER 1 SCAVENGE BEARING MANIFOLD BREATHER VENT TUBE CRACKED.

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