# SDR TWAA0101911

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2001
- Submitted: January 31, 2001
- Operation: Air carrier
- Aircraft: N905TW
- 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: 49157
- Aircraft time: 55,078 hours, 28,621 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Cracked
- Location: Fuselage
- 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/TWAA0101911

## Discrepancy

DURING CHECK-C MAINT, FOUND MEMBRANE WITH 3 INCH CRACK AT LBL 50, STA 1022, BETWEEN NUMBER 1 AND 2 FLOOR TRACKS.  REPAIRED CRACK AT LBL 50 INCHES, STA 1022 MEMBRANE PER SRM 53-01, FIG 2, SHEET 3 AND PAGE 9.  TREATED AND PRIMED AREA PER SRM 51-10-2.

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