# SDR AALA980612

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N721AA](https://openairdocs.org/aircraft/N721AA), registered now
- Make and model: Boeing 727227
- Aircraft serial: 20729
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Ws 491-574
- 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/AALA980612

## Discrepancy

TUL - FASTENERS AND SKIN HAS CORROSION AT STRINGER 6 ON LOWER SURFACE OF RIGHT WING FOR WS 491.5 TO STATION 574.  REMOVED CORRODED FASTENERS AND CORROSION PER SRM 57-30-1, ALODINED AND PRIMED INSTALLED REPAIR STRAP AT STATION 496 PER ESO 11697 AND INSTALLED NEW FASTENERS PER ESO 11697 DATED 3-17-98.  (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.