# SDR ASAA2023050743176

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2023
- Submitted: May 9, 2023
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 61,761 hours, 18,006 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil Tank
- Part number: 41F5102
- Part serial: YT014933
- Condition: Leaking
- Location: #1 Engine
- Part time: 49,854 hours, 18,252 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023050743176

## Discrepancy

WHEN OPENING FAN COWLS ON #1 ENGINE INBOARD SIDE, NOTICED A LARGE SPRAY PATTERN ON THE INBOARD SIDE OF FAN COWL FOUND EEC CABLES WET WITH OIL AS WELL FOUND OIL TANK VENT LINE CROOKED AND NOT SEALING 2 INSERTS WERE BROKEN ANS 2 INSERTS WERE ALMOST BROKE. GROUNDED - YES. REMOVED AND REPLACED OIL TANK REF B737-800 AMM 79-11-01.

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