# SDR ASAA2019051829386

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2019
- Submitted: May 20, 2019
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 40,682 hours, 12,124 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Seal
- Part number: 3051157090
- Condition: Leaking
- Location: Nr 1 Engine
- 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/ASAA2019051829386

## Discrepancy

#1 ENGINE OIL CONSUMPTION TREND DATA SHOWS CONSUMPTION RATES TO BE GREATER THAN EXPECTED. GROUNDED - YES. UPON INSPECTION AFTER ENGINE RUN LEAK CHECK FOUND OIL LEAKING ON #1 ENGINE FROM IDG/AGB DRAIN. FOUND TO BE OUT OF LIMITS (MORE THAN ONE DROP IN 3 MINUTES) REF AMM 71/71/00 FIGURE 605 SHEET 2. AGB/IDG SEAL ASSY REQUIRES REPLACEMENT. REMOVED AND REPLACED #1 ENG AGB/IDG SEAL REF AMM 72-60-00. LEAK OK GOOD #1 ENG IDG.

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