# SDR ASAA2022102340428

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2022
- Submitted: October 24, 2022
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 55,213 hours, 16,486 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: O-Ring
- Part number: J221P156
- Condition: Torn
- Location: #1 Eng Eec Alter
- Stage of operation: NR
- 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/ASAA2022102340428

## Discrepancy

#1 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION TO GREATER THAN EXPECTED. GROUNDED - YES. COMPLIED WITH ALL STEPS OF TSR AND ONLY LEAKAGE NOTED WAS SEEPAGE AT BASE OF EEC ALTERNATOR, (1 TO 2 DROPS PER 10 MINUTES). REMOVED AND REPLACED #1 ENGINE EEC ALTERNATOR O RING PER B737-800 AMM 73-21-08. LEAK CHECKED AND OPS CHECKED. NO CURRENT EEC FAULTS FOUND. FOUND OLD O-RING TORN, HARD AND RIGID. ETOPS GROUND VERIFICATION SUCCESSFUL.

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