# SDR DL72S954408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N520DA](https://openairdocs.org/aircraft/N520DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21471
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Stiffener
- Condition: Cracked
- Location: Attach Rib
- 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/DL72S954408

## Discrepancy

WHILE WORKING ON A HYDRAULIC LEAK ON THE NR 7 SLAT ACTUATOR ATTACH RIB STIFFENER WAS FOUND CRACKED.  THE DAL MFG (P/N 57-0367-001) ON THE STIFFENER.  THIS ER/A WILL REPLACE THE OUTBD ATTACH RIB STIFFENER PER EO 4-59271-3AD.

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