# SDR CALA0400572

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2004
- Submitted: July 12, 2004
- Operation: Air carrier
- Aircraft: N14871
- Make and model: Doug DC-9-81(MD-81)
- Registry model: [Doug DC-9-81(MD-81)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81) (OpenAirDocs)
- Aircraft serial: 48022
- Aircraft time: 52,914 hours, 30,764 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Part number: 5936034
- Condition: Cracked
- Location: Sta
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA0400572

## Discrepancy

INSPECTION FOUND A SMALL CRACK IN LOWER EDGE OF THE VERTICAL LEG OF LONGERON 20L AT APPROXIMATELY STA 995.  THE CRACK RAN FROM THE BOTTOM EDGE OF THE VERTICAL FLANGE TO THE FIRST FASTENER HOLE LOCATION WHERE IT TERMINATED.  THE LONGERON WAS REPAIRED IAW ECRA 5311-01198.

---
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.