# SDR TWAA9812018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N980Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47344
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 996
- 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/TWAA9812018

## Discrepancy

DURING OP 15 MAINT CHECK, FS 996, LBL 21 TO LBL 41, CORROSION REMOVED ON FLOORBEAM CAP WAS BEYOND LIMITS.  INSTALLED REPAIR DOUBLER PER SRM 53-05, FIG 20A.

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