# SDR CALA2026020913630

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2026
- Submitted: February 9, 2026
- Operation: Air carrier
- Aircraft: [N489UA](https://openairdocs.org/aircraft/N489UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1702
- Aircraft time: 69,773 hours, 30,969 cycles
- System (JASC): [2752 · Trailing Edge Flap Actuator](https://openairdocs.org/jasc/2752)
- Part: Actuator
- Part number: 791C000002
- Part serial: Y20957
- Condition: Vibration
- Location: Flap Sys
- Stage of operation: LD
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026020913630

## Discrepancy

UNKOWN VIBRATION FELT ON SHORT FINAL STARTED FLAPS 3 MORE AT FLA PS FULL REF MT 53-005 AND TSM TASK 05-50-00-810-801-A TO IDENTIFYING VIBRATION VIBRATION REPORT REF DOCUMENTS ATTACHED FOR DECISION TABLE. TSM 05-50-00/201 CONFIG 00 RE-EVALUATED VIBRATION FORM GIVEN DATA FROM PILOTS/TOMC. VIBRATION WAS DESCRIBED AS RYTHMIC/CYCLIC, BUT OTHERWISE "PURE VIBRATION". FLAP SCORE WAS RAISED TO 41, BEING THE HIGHEST OUTLIER. PER TSM 05-50-00, NEXT TROUBLESHHOTING STEP TO BE ACCOMPLISHED IS TSM 27-54-00-810-801-A. FLAGGED SDR REF FIM 27-54-00-810-801-A STARTED AND COMPLETED STEPS 3.A.(1)(2). NEED TO COMPLETE REMAINING STEPS (3)AND(4).SEEMS TO HAVE EXCESSIVE PLAY IN LEFT WING TRAILING EDGE FLAP.   CONTINUED TSM 27-54-00-810-801-A AT STEP 3.A.(3). REF. AMM TASK 27-54-00-200-003. COMPLETED UP TO STEP. 3.B.(4) REF. LP. 7817998 FOR REMOVAL OF PANEL 193AB PER LOCAL SENIOR MANAGEMENT DIRECTIVE, REPLACE THE #1 INBOARD FLAP ACTUATOR REF AMM 27-54-49-000-001-A AND #2 INBOARD FLAP ACTUATOR REF AMM 27-54-49-000-002-A. ITEM UNLOCKED FOR CLEARING ACTION REPLACED LH #1 AND #2 FLAP  ACTUATORS REF LOG PAGES 7830472 AND LOG PAGE 7830504

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