# SDR DHL9972737C

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N727DH](https://openairdocs.org/aircraft/N727DH), registered now
- Make and model: Boeing 727228
- Aircraft serial: 20204
- System (JASC): [5755 · Spoilers](https://openairdocs.org/jasc/5755)
- Part: Skin
- Condition: Cracked
- Location: Nr 4 Spoiler
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL9972737C

## Discrepancy

AT C CHECK, LT WING UPPER SURFACE NR 4 SPOILER PANEL NR 2 AND NR 4 HINGE CUTOUTS CRACKED.  VERIFIED CRACK INDICATIONS USING HFEC INSP PER NDT MANUAL PART 6-51-00-00 FIG 4, STOP DRILLED CRACK PER SRM 57-30-4 AT NR 4 SPOILER PANEL NR 2 AND NR 4 HINGE CUTOUTS, HFEC INSP STOP DRILL PER NDT MANUAL 51-00-00 PART 6. NO FURTHER CRACK INDICATION NOTED.  INSTALLED REPAIRS PER SRM 57-30-4 DOUBLER SIZE 6 X 4 AND 5 X 4 FROM 7075T6 .071 AND 7075T6 .063.

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