# SDR TWAA0013505

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2000
- Submitted: August 30, 2000
- Operation: Air carrier
- Aircraft: N977Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47249
- Aircraft time: 76,944 hours, 89,496 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Seat Track
- Condition: Corroded
- Location: Cabin
- 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/TWAA0013505

## Discrepancy

DURING OP 15 MAINT CHECK, FOUND MEMBRANE BADLY CORRODED O/B OF NUMBER 1 CHAIR TRACK, STA 218 TO 237.  REMOVED DAMAGED SECTION OF WEB.  MADE NEW IN SHOP PER SRM 6-70-01 PAGE 3.  INSTALLED PER SRM 51-30-1, 51-30-2 AND 51-30-5.

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