# SDR ASAA2020112433595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2020
- Submitted: December 1, 2020
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 18,017 hours, 5,715 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7297 · Turbine Engine System Wiring](https://openairdocs.org/jasc/7297)
- Part: Wire Harness
- Part number: 3250299080
- Condition: Faulted
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020112433595

## Discrepancy

FOLLOW UP TO REPETITIVE REPORTS OF NR 2 ENGINE POPPED BLEED AIR REGULATOR CIRCUIT BREAKER.  GROUNDED-YES.  REMOVED AND REPLACED MW0311 HARNESS, REF B737-900 AMM 73-21-06-400-802-F00.  OPERATIONS NORMAL, REF AMM 73-21-06-400-802-F00.

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