# SDR DKAA00005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2000
- Submitted: April 7, 2000
- Operation: Air carrier
- Aircraft: N915R
- Make and model: Doug DC-9-15F
- Registry model: [Doug DC-9-15F](https://openairdocs.org/model/mcdonnell-douglas-dc-9-15f) (OpenAirDocs)
- Aircraft serial: 47086
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Support Bracket
- Part number: 39141621
- Condition: Cracked
- Location: Ring Nut
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DKAA00005

## Discrepancy

HORIZONTAL STAB JACKSCREW ACME NUT MECHANICAL STOP FOUND MISSING AND ACME NUT HAD 2 INCH VERTICAL CRACK AT BOTTOM EDGE OF NUT.  CONDITION FOUND DURING ACCOMPLISHMENT OF AD 2000-03-15, PARAGRAPH.  ELECTRICAL STOP FOUND OUT OF ADJUSTMENT AND WAS CORRECTED.  UPON EXAMINATION OF JACKSCREW AT MAIN BASE, IT WAS FOUND THAT THE ACME NUT LOWER EDGE HAD APPROXIMATELY .25 INCH BY 1 INCH PIECE MISSING, NOT A 2 INCH VERTICAL CRACK AS PREVIOUSLY REPORTED.  THE 2 INCH VERTICAL CRACK WAS FOUND TO BE IN THE GIMBAL RING UNIT SUPPORT, P/N 3914162-1.  (M)

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