# SDR AALA20090723TUL36

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2009
- Submitted: July 24, 2009
- Operation: Air carrier
- Aircraft: N439AA
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49457
- Aircraft time: 68,992 hours, 32,192 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Part number: 593666711
- Condition: Corroded
- Location: Fuselage
- 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/AALA20090723TUL36

## Discrepancy

LONGERON 29 CORRODED BETWEEN STATION 1285-1288.  CUT OUT CORRODED SECTION OF L29 BETWEEN STATION 1277-1295 AND INSTALLED NEW LONGERON EXTRUSION AND REPAIR SPLICE PER SRM 53-02-00 FIG 18 AND AARD 53-00-00-5.

---
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.
