# SDR TWAA0018615

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2000
- Submitted: November 29, 2000
- Operation: Air carrier
- Aircraft: N959U
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49704
- Aircraft time: 39,119 hours, 19,711 cycles
- System (JASC): [5744 · Wing, Control Surface Attach Fittings](https://openairdocs.org/jasc/5744)
- Part: Casting
- Condition: Corroded
- 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/TWAA0018615

## Discrepancy

DURING CHECK-C MAINT ON LT WING THE O/B FLAP I/B MOUNT CASTING ON SPAR TOP I/B STUD WAS EMITTING RUST.  REPLACED 2 UPPER STUDS AND INSTALLED NEW HINGE CASTING PER MM 57-40-01.

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