# SDR ASAA1149940

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2011
- Submitted: July 1, 2011
- Operation: Air carrier
- Aircraft: N791AS
- Make and model: Boeing 737490
- Aircraft serial: 28886
- Aircraft time: 45,563 hours, 25,355 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Jackscrew
- Part number: 654997025
- Part serial: KE01348
- Condition: Noisy
- Location: Stabilizer
- Part time: 57,041 hours, 32,715 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1149940

## Discrepancy

A LOUD CLUNKING NOISE IN PEDESTAL WHILE RUNNING STAB TRIM WHEEL EITHER DIRECTION.  REPLACED STABILIZER JACK SCREW IAW ASA TASK CARD NR 48727000.  OPERATIONAL CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
