# SDR AALA20010988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2001
- Submitted: June 7, 2001
- Operation: Air carrier
- Aircraft: [N890AA](https://openairdocs.org/aircraft/N890AA), registered now
- Make and model: Boeing 727223
- Aircraft serial: 22006
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Lt Wing
- 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/AALA20010988

## Discrepancy

TUL - FOUND DURING SCHEDULED C-CHECK INSPECTION, A CRACK WAS FOUND IN THE LBL 70.5 UPPER RIB CHORD AT BS 760.  INSTALLED THE PREVENTATIVE MODIFICATION 65C33202-99 PER BOEING 727 SB 727-57-0112 WITH DEVIATION PER ESO 11697 DATED 5-9-2001. (M)

---
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.