# SDR CALA9700234

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N10248](https://openairdocs.org/aircraft/N10248), registered now
- Make and model: Boeing 737219
- Aircraft serial: 20344
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Power Contl Unit
- Part number: 654476117
- Condition: Inoperative
- Location: Aileron
- Part time: 19,784 hours
- Stage of operation: AP
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA9700234

## Discrepancy

THE AIRCRAFT HAD A BRIEF HISTORY OF STIFF AILERONS.  MAINTENANCE FOUND THE B-SYSTEM AILERON POWER CONTROL UNIT AT FAULT.  THE AILERON PCU WAS REMOVED AND REPLACED IAW MM 27-11-71, PAGE 401.  AN ADJUSTMENT/TEST WAS PERFORMED ON THE AILERON PCU IAW MM 27-11-71, PAGE 501 AND OPERATION CHECKED NORMAL.

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