# SDR AALA961781

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N844AA
- Make and model: Boeing 727223
- Aircraft serial: 20985
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keel Beam
- Condition: Corroded
- Location: Bs 874
- 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/AALA961781

## Discrepancy

TUL - FOUND 1 INCH CRACK LEFT LOWER CHORD KEEL BEAM AT UPPER FLANGE STATION 874.  5 INCH CRACK LT SIDEWALL WEB OF KEEL BEAM LOWER CORNER STATION 874.  BOEING MANUFACTURE SPECIAL BULLETIN S/B 53-0208 REPAIR (A) BOTH CRACKS.  (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.