# SDR TWAA0010404

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2000
- Submitted: July 5, 2000
- Operation: Air carrier
- Aircraft: [N921L](https://openairdocs.org/aircraft/N921L), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47107
- Aircraft time: 80,344 hours, 86,616 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Damaged
- Location: Lt Wing
- 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/TWAA0010404

## Discrepancy

DURING OP 16 MAINT CHECK FOUND TOP OF LT WING WITH A CRACK APPROX 1 INCH LONG AT INBD FUEL TANK ENTRY MOUNT FLANGE (PLATE LANDING) NUMBER 1307.  ACOMP EDDY CURRENT INSP PER NDT 51-00-03 CRACK CONTAINED.  INSTALLED REPAIR DOUBLER PER ARA 16921.  ---CLOSED---

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