# SDR DL72S950446

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N531DA](https://openairdocs.org/aircraft/N531DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21814
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Torque Box
- Condition: Cracked
- Location: Fs 1253-1273
- 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/DL72S950446

## Discrepancy

DURING LETTER CHECK INSPECTION, THE UPPER CHORD AT RBL 20 RUNNING FORE/AFT IN THE AFT VENTRAL STAIRWAY TORQUE BOX WAS FOUND CRACKED AT STA. 1273.  IN ORDER TO GAIN ACCESS FOR REPAIR OF THE CHORD, THE I/B WEB WAS CUT BETWEEN STA 1253 AND STA 1273.  BOTH THE WEB AND THE CHORD WERE REPAIRED PER THE S/B 727-53-0129 REV.4.

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