# SDR SWAA2025032408181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2025
- Submitted: July 14, 2026
- Operation: Air carrier
- Aircraft: [N7852A](https://openairdocs.org/aircraft/N7852A), registered now
- Make and model: Boeing 737-71B
- Registry model: [Boeing 737-71B](https://openairdocs.org/model/boeing-737-71b) (OpenAirDocs)
- Aircraft serial: 29371
- Aircraft time: 56,445 hours, 29,969 cycles
- Engine: Cfmint CFM567B242
- Engine time: 87,550 hours, 30,710 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Surges
- Location: Nr 2
- Stage of operation: DE
- How discovered: O
- Nature of condition: R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025032408181

## Discrepancy

DURING DESCENT NR 2 ENGINE BEGAN SHAKING AND MAKING NOISES AND N1 DROPPED TO 41% N1. RAN ENGINE LIMITS /SURGE/STALL QRH AFTER SEVERAL MOMENTS, NR 2 ENGINE OPERATED NORMALLY AND OPERATED NORMALLY REMAINDER. PERFORMED FIM 71-05 TASK 805. PER STEP E.(2), PERFORMED INSPECTION OF THE ENGINE AFTER AN ENGINE STALL OR POSSIBLE ENGINE STALL, AMM 71-00-00-210-801-F00. BORESCOPE FAILED DUE TO NUMEROUS TORN BLADES AND STATORS IN STAGE 7 AND 8 OF THE COMPRESSOR SECTION.  ORIGINAL SUBMISSION DATE: 3/28/2025

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