# SDR DALA2021042402389

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2021
- Submitted: April 24, 2021
- Operation: Air carrier
- Aircraft: [N839DN](https://openairdocs.org/aircraft/N839DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31950
- Aircraft time: 19,472 hours, 7,441 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Collar
- Condition: Missing
- Location: Flap Jackscrew
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021042402389

## Discrepancy

(LOG 1788848) DURING INSPECTION FOUND #6 FLAP JACKSCREW: LOWER GIMBAL HI-LOC COLLAR IS MISSING. REPLACED HARDWARE AND / OR GIMBAL BUSHING AS REQUIRED REF B737 AMM 27-51-32.

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