# SDR ASAA2021020234002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2021
- Submitted: February 4, 2021
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 45,673 hours, 13,535 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Seal
- Condition: Missing
- Location: #1 Engine Fan
- 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/ASAA2021020234002

## Discrepancy

PER T/C 78472010 #1 ENG, FAN BLADE LUBE PLATFORM SEALS ARE MISSING MORE THAN 39 INCHES. GROUNDED - YES. REMOVED & REPLACED ALL 24 PLATFORMS ON #1 ENG. REF. T/C 78472010.

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