# SDR TWAA0013413

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2000
- Submitted: August 29, 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: Web
- Condition: Cracked
- Location: Floor
- 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/TWAA0013413

## Discrepancy

DURING OP 15 MAINT CHECK, FOUND CRACKS IN FLOOR MEMBRANE AT STA 617 TO 615, LBL 54.  INSTALLED WEB REPAIR PER SRM 53-01, PAGE 9 FIG 2 SHEET 3.

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