# SDR ASAA2022070538939

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2022
- Submitted: July 6, 2022
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 50,897 hours, 15,176 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Seal
- Part number: S3225160
- Condition: Leaking
- Location: #2 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/ASAA2022070538939

## Discrepancy

ENG #2 OIL CONSUMPTION IS HIGHER THAN NORMAL. GROUNDED - YES. ACOMPLISHED TSR STEPS 1 THROUGH 5 NOTED & LARGE AMOUNT OF RESIDUAL OIL ON THE ENGINE FAN CASE AND COMPONENTS. THE IDG DRIVE PAD LEAKS STATICALLY AND DYNAMICALLY. REPLACED FLO SEAL FOR FLO #2 IDG PER B737-800 AMM 72-60-00. REMOVED/REINSTALLED THE #2 IDG PER MM 24-11-11. LK AND OPS CK GOOD. THOROUGHLY CLEANED FAN CASE AND COMPONENTS. NO OTHER LEAKS NOTED, IDG DRIVE PAD DRAIN LINE BAGGED FOR PART POWER LK CK. ACCOMP STEP 6 (PPRUN) FOUND STARTER PAD WET WITH OIL AFTER. REPLACED #2 ENGINE STARTER DRIVE PAD SEAL PER ASA T/C N8472002. NO LEAKS NOTED. TSR COMPLETED.

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