# SDR AALA202604218663

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2026
- Submitted: April 22, 2026
- Operation: Air carrier
- Aircraft: [N891NN](https://openairdocs.org/aircraft/N891NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33315
- Aircraft time: 41,112 hours, 17,802 cycles
- Engine: Cfmint CFM567B24E
- Engine time: 38,002 hours, 16,306 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Condition: Damaged
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, Z, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202604218663

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMB AROUND FL270 NUMBER 1 ENGINE STARTED TO EXPERIENCE HIGH VIBRATION (5 UNITS) AND SURGING. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MCO. DURING POST FLIGHT FOUND PIECE MISSING BETWEEN FAN BLADE RIGHT BEHIND THE NOSE SPINNER. SEVERAL FAN BLADE WERE DAMAGED ALONG WITH THE FAN SHROUD. DUE TO EXTENT OF DAMAGE BEYOND REPAIR. REMOVE AND REPLACED ENGINE NUMBER 1, PER J/C 08L40072003. ALL OPS CHECK NORMAL NO DEFECTS NOTED. PERFORMED HIGH POWER ASSURANCE RUN, PER J/C 08L40072006 ENGINE OPERATED NORMAL WITH ZERO ISSUES.

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