# SDR ASAA2018062425160

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2018
- Submitted: June 28, 2018
- Operation: Air carrier
- Aircraft: [N491AS](https://openairdocs.org/aircraft/N491AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44109
- Aircraft time: 10,463 hours, 3,539 cycles
- System (JASC): [7600 · Engine Controls](https://openairdocs.org/jasc/7600)
- Part: Relay
- Part number: KLD4N
- Condition: Faulty
- 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/ASAA2018062425160

## Discrepancy

LONG TERM FAULT FOUND NR 2 ENG 76-31362 LEGS 2 4 AND 7. GROUNDED - YES. REMOVED & REPLACED R568 & R567 RELAYS REF WDM 76-21-21. ACCOMPLISHED EEC TEST REF AMM 73-21-00-700-804-F00. NO FAULTS NOTED.

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