# SDR AALA981775

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N720AA](https://openairdocs.org/aircraft/N720AA), registered now
- Make and model: Boeing 727227
- Aircraft serial: 20613
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Condition: Cracked
- Location: Bs 830
- 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/AALA981775

## Discrepancy

TUL - HORIZ 'J' CHANNEL TOP OF NR 3 CELL FORWARD WEB OPENING, CRACKED AT LEFT ATTACH TO VERTICAL STIFFENER.  ROUTED OUT CRACKED AREA.  INSTALLED 301.5 HARD DOUBLER PER SRM 51-40-4.  (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, except the copies of manufacturers’ service documents, which belong to their rights holders.
