# SDR DLL13970595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N789DL](https://openairdocs.org/aircraft/N789DL), registered now
- Make and model: Lkheed 10113851
- Aircraft serial: 193A1142
- Engine: Rroyce RB21122B
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Part number: RB21122B
- Condition: Damaged
- Location: Nr 1 Engine
- Part time: 19,307 hours
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLL13970595

## Discrepancy

CRUISE AT FL330, EXPERIENCED A YAW TYPE JOLT WITH POPPING SOUNDS FROM CAPTS SIDE OF AIRPLANE.  ENG NR 1 VIBS WENT FROM 1.0 TO 1.8 FLIGHT ATTENDANT THEN REPORTED BASEBALL SIZE SPARKS COMING OUT OF ENGINE NR 1 AND THAT THEY WERE GETTING WORSE ENG NR 1 SHUT DOWN IN FLIGHT AT 33,000 FT.  FOUND HP COMPRESSOR DAMAGE, WILL REPLACE ENGINE.

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