# SDR AALA981798

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N720AA](https://openairdocs.org/aircraft/N720AA), registered now
- Make and model: Boeing 727227
- Aircraft serial: 20613
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Casting
- Condition: Corroded
- Location: Rt Wing
- 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/AALA981798

## Discrepancy

TUL - NR 4 L/E FLAP CENTER HINGE CASTING CORRODED INBOARD AND OUTBOARD SIDES AND UPPER OUTBOARD END.  REMOVED AND REPLACED NR 4 L/E FLAP CENTER HINGE CASTING WITH NEW CASTING, P/N 65-18531-8.  (M)

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