# SDR AALA981746

- 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): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Bs 1050
- 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/AALA981746

## Discrepancy

TUL - FOUND STATION 1050 BELL FRAME WEB  AND LEGS CORRODED BACKSIDE BETWEEN STRINGER 19L AND 20L.  INSTALLED DOUBLER PER 51-40-3 FIG 1 W .050 17-7 CRACK PER AARD 51-20-07-5 WITH FOUR .1875 HI-LOCKS AND 4.25 HI-LOCKS EACH SIDE OF DAMAGE.  (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.