# SDR 98ZZZX691

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N49100
- Make and model: Cessna 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (OpenAirDocs)
- Aircraft serial: 15283418
- Engine: Lyc O235L2C
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Rocker Adj Nut
- Part number: STD587
- Condition: Loose
- Location: Nr 3 Cyl Exh Vlv
- Part time: 91 hours
- Stage of operation: TO
- Nature of condition: R, W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX691

## Discrepancy

AIRCRAFT REPORTED SUDDEN LOSS OF POWER ON TAKEOFF.  UPON INSPECTION, FOUND ALL EXHAUST ROCKER VALVE ADJUSTING NUTS HAD INSUFFICIENT TORQUE.  NR 3 CYLINDER ADJUSTMENT HAD BACKED OFF COMPLETELY.  ENGINE HAS 90.9 HOURS SINCE OVERHAUL.

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