# SDR UALA2013030501306

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2013
- Submitted: March 13, 2013
- Operation: Air carrier
- Aircraft: [N783UA](https://openairdocs.org/aircraft/N783UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26950
- Aircraft time: 71,305 hours, 10,028 cycles
- Engine: Pwa PW40903
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Line
- Condition: Chafed
- Location: Nr 4 Bearing Sca
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013030501306

## Discrepancy

DURING VISUAL INSPECTION,  FOUND CLAMP CHAFING INTO NR 4 BEARING SCAVENGE TUBE LR06.   REPLACED OIL LINE. FOUR CLAMPS REMAIN TO BE ATTACHED TO 12TH STAGE BLEED DUCT.   COMPLETED SECURING CLAMPS ATTACHING NR 4 BEARING SCAVENGE TUBE TO 12TH STAGE BLEED DUCT.  ENGINE RUN LEAK CHECK NORMAL.

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