# SDR ASAA2022092940139

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2022
- Submitted: October 3, 2022
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 30,631 hours, 9,754 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Eec
- Condition: Inoperative
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022092940139

## Discrepancy

REF ASA T/C 78273000 FOUND SHORT TIME FAULT 73-21281 ENG 1 EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE. FAULT SET LEG 0,1 &3. GROUNDED - YES.  SHORT TIME FAULT CODE 73-21281 PLACED ON PLT FOR NLT 50 FH, REF T/C 78273000. PERFORMED EEC BITE TEST FAULT HISTORY REF B737-900 AMM 73-21-00, VERIFIED NO FAULT WITHIN LAST 3 LEGS ON ENGINE #1, THIS CLEARS PLT DEFERRAL.

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