# SDR UALA2012102306087

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2012
- Submitted: November 21, 2012
- Operation: Air carrier
- Aircraft: N598UA
- Make and model: Boeing 757222
- Aircraft serial: 28751
- Aircraft time: 53,944 hours, 15,121 cycles
- Engine: Pwa PW2037
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Filter Element
- Condition: Faulty
- Location: Nr 2 Idg
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012102306087

## Discrepancy

NR 2 ENGINE IDG SCV FILTER ELEMENT FOR ETOPS SIGNIFICANT SYSTEM (GROUP 1).  REMOVE AND REPLACE THE IDG SCAVENGE FILTER ELEMENT ON ENGINE NR 2 PER AMM.  DO NOT ACCMP MAINTENANCE OF NR 1 AND NR 2 IDG AT SAME VISIT DUE TO ETOPS CRITICAL SYSTEM REQUIREMENTS.  REPLACED NR 2 ENGINE IDG FILTER.  NO PARTICLES NOTED, OPS CHECK GOOD, NO LEAKS NOTED.

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