# SDR ASAA2019043099194

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2019
- Submitted: April 30, 2019
- Operation: Air carrier
- Aircraft: [N408AS](https://openairdocs.org/aircraft/N408AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41732
- Aircraft time: 25,414 hours, 8,278 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Spacer
- Part number: 3400012620
- Condition: Debonded
- Location: Nr 2 Eng 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/ASAA2019043099194

## Discrepancy

PER T/C 78472010 #2 ENGINE FAN BLADE LUBE, ELASTOMERS ON SPACERS #12, 14, 21, AND 24 ARE DISBONDED WITH #3 AND #22 ARE DISBONDED MORE THAN ONE STRIPS OF THE SPACERS. GROUNDED - YES. REMOVED AND REPLACED #3, 12, 14, 19, 21, 22, AND 24 SPACERS ON FAN BLADE ASSEMBLY OF #2 ENGINE, REF B737-900 AMM 72-21-02/201.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.