# SDR DL72S002489

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2000
- Submitted: January 2, 2001
- Operation: Air carrier
- Aircraft: N533DA
- Make and model: Boeing 727232
- Aircraft serial: 22046
- Aircraft time: 59,852 hours, 44,521 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Beam
- Part number: 651751738
- 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/DL72S002489

## Discrepancy

FUSELAGE / VENTRAL STAIRWAY OPENING / RT TORQUE BOX / FS    1263 : CRACKED BEAM AND GUSSET INSPECTIONS OF THE RT VENTRAL STAIRWAY TORQUE BOX STRUCTURE REVEALED A .5" CRACK IN THE UPPER HORIZONTAL BEAM AND A 1.5 INCH CRACK IN THE GUSSET CHANNEL AT FS 1263.  THE CRACKS ARE  TYPICAL OF BAC S/B 727-53-0129.  THE DAMAGED STRUCTURE WAS  REPLACED WITH NEW PARTS PER ER/A 379598-14AD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.