# SDR ASAA2020050532705

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2020
- Submitted: May 5, 2020
- Operation: Air carrier
- Aircraft: [N442AS](https://openairdocs.org/aircraft/N442AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43293
- Aircraft time: 25,183 hours, 8,096 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Elastomer
- Part number: 3400018160
- Condition: Missing
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020050532705

## Discrepancy

#1 ENG FAN BLADE PLATFORMS #1 AND #7, MISSING ELASTOMER SEAL ON BOTH SIDES FULL LENGTH. GROUNDED - YES. #1 ENG INSTALLED NEW PLATFORMS #1 AND #7 REF T/C 78472010.

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