# SDR ASAA2021080835653

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2021
- Submitted: August 10, 2021
- Operation: Air carrier
- Aircraft: [N459AS](https://openairdocs.org/aircraft/N459AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36352
- Aircraft time: 27,606 hours, 8,827 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Spacer
- Part number: 3400012620
- Condition: Peeling
- Location: Nr 1 Fan Blade
- 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/ASAA2021080835653

## Discrepancy

WHILE PERFORMING T/C 78472010 CFM 56-7 FAN BLADE LUBRICATION FOUND BLADE SPACERS AT 4,5,9,13,15,17,19,20,21, AND 24 HAVE RUBBER PEALING OFF SPACERS. 10 LOCATIONS TOTAL. GROUNDED - YES. REMOVED AND REPLACED 10 EACH FAN BLADE SPACERS ON #1 ENG AT 4,5,9,13,15,17,19,20,21, AND 24. REF T/C 78472010.

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