# SDR DALA1125859871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2011
- Submitted: April 14, 2011
- Operation: Air carrier
- Aircraft: [N780NC](https://openairdocs.org/aircraft/N780NC), registered now
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 48102
- Aircraft time: 72,571 hours, 67,115 cycles
- System (JASC): [5522 · Elevator, Plate/Skin](https://openairdocs.org/jasc/5522)
- Part: Skin
- Condition: Damaged
- Location: Lt Elevator
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1125859871

## Discrepancy

LT ELEVATOR OTBD T/E SKIN UPPER AND LOWER SURFACE OF SKIN HAS 3 EA MISDRILLED HOLES.  CUT OUT DAMAGED AREA ON UPPER AND LOWER SURFACE. UPPER CUT OUT 2" X   1/2".  LOWER 2.75" X .75" IAW SRM 55-01, FIG 4. NDT TO VERIFIED CRACKS CONTAINED.  MAT USED TO FAB DOUBLERS AND FILLERS 7075T6 .040.  FABBED DOUBLERS AND FILLERS IAW SRM 55-01.  INSTALLED IAW SRM 51-30-02.

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