# SDR ASAA2017082921758

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2017
- Submitted: August 31, 2017
- Operation: Air carrier
- Aircraft: [N467AS](https://openairdocs.org/aircraft/N467AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 13,045 hours, 4,327 cycles
- Engine: Cfmint CFM567B27E
- Engine time: 14,986 hours, 4,929 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Nut Plate
- Condition: Corroded
- Location: Nr 1 Inlet
- Part time: 14,986 hours, 4,929 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/ASAA2017082921758

## Discrepancy

NR 1 ENGINE INLET AND FAN BLADE DETAILED INSPECTION.  FOUND NUTPLATES THAT HAVE POSSIBLE CORROSION AROUND NUTPLATE AND FAN FRAME CASE,  FOR AFT O/B ACOUSTICAL PANELS.  FROM 3 O'CLOCK TO 9 O'CLOCK ON LOWER SIDE OF CASE.  ACFT GROUNDED.  NR 1 ENGINE IS BEING REPLACED.

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