# SDR AALA20120520007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2012
- Submitted: May 21, 2012
- Operation: Air carrier
- Aircraft: [N941AN](https://openairdocs.org/aircraft/N941AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29534
- Aircraft time: 35,993 hours, 14,846 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- 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/AALA20120520007

## Discrepancy

FLOORBOARD/LAVATORY MOUNT INTERCOSTAL TOP SURFACE IS CORRODED FROM STATIONS 930 AND 945 LEFT BUTTLINE 25.  INSTALLED NEW INTERCOSTAL FROM STATIONS 927 TO 947 LEFT BUTTLINE 25 PER AARD 51-00-05-1.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.