# SDR DL72S980099

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N478DA](https://openairdocs.org/aircraft/N478DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 20755
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Torque Box
- Condition: Cracked
- Location: Bs 1263
- 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/DL72S980099

## Discrepancy

THE FS 1263 BEAM AND CHANNEL ON THE RT TORQUE BOX OF THE AFT VENTRAL STAIRWAY WERE FOUND WITH TYPICAL CRACKS PER S/B 53-0129.  THE CRACKED PARTS WERE REPLACED PER THE S/B INSTRUCTIONS AND DOCUMENTED PER ER/A 363704-14AD.

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