# SDR ASAA2015092213173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2015
- Submitted: September 24, 2015
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737490
- Aircraft serial: 35184
- Aircraft time: 32,678 hours, 10,164 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400018160
- Condition: Worn
- Location: Nr 2 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/ASAA2015092213173

## Discrepancy

NR 1 ENGINE FAN BLADE PLATFORM SEALS MISSING OVER 42", EXCEEDS MM 72-21-02 ALLOWABLE LIMITS OF 39.37.  ACFT GROUNDED.  REPLACED ALL 24 PLATFORMS ON NR 1 ENGINE REF TASK CARD NR 78472002.

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