# SDR 95ZZZX7068

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N1972](https://openairdocs.org/aircraft/N1972), registered now
- Make and model: Boeing 727-23
- Registry model: [Boeing 727-23](https://openairdocs.org/model/boeing-727-23) (OpenAirDocs)
- Aircraft serial: 18428
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Lt Ws 601.5
- 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/95ZZZX7068

## Discrepancy

DURING INSPECTION OF AIRCRAFT PER AD 94-07-08 (SB 727-57-127), THE HYDROPRESSED WING RIB AT LT WS 601.5 WAS FOUND CRACKED IN 4 PLACES.  THE UPPER FLANGE WAS CRACKED AT THE 2ND FASTENER HOLE FORWARD OF THE AFT END.  THE LOWER FLANGE WAS CRACKED AT THE 3RD, 4TH, AND 5TH FASTENER HOLES AFT OF THE FORWARD END. SUSPECT CAUSE:  FATIGUE.

---
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.