# SDR ASAA2018101526496

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2018
- Submitted: October 17, 2018
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 30,271 hours, 8,811 cycles
- Engine: Cfmint CFM567B273
- Engine time: 30,271 hours, 8,811 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Nut Plate
- Condition: Corroded
- Location: Nr 1 Engine
- Part time: 30,271 hours, 8,811 cycles
- 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/ASAA2018101526496

## Discrepancy

WHILE ACCOMPLISHING T/C 78472000 NR 1 ENGINE FOUND 3 NUTPLATE CORRODED BEHIND OIL TANK. GROUNDED - YES. REMOVED AND REPLACED ENGINE NR 1 REF W/O 428952.

---
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.