# SDR 96ZZZX3494

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N17789
- Make and model: Boeing 727232
- Aircraft serial: 20643
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: U-Channel
- Condition: Cracked
- Location: Bs 720
- 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/96ZZZX3494

## Discrepancy

STA 720F UPPER CHORD OF INTERCOSTAL, STRAP CRACKED WITH LEVEL 2 CORROSION.  ALSO, 2 EACH, U-CHANNELS CRACKED LBL 12 AND RBL 12 AND 1 EACH L-ANGLE.  FABRICATED AND INSTALLED 1 EACH L-ANGLE AND 2 EACH CHANNELS PER SRM 51-30-2 AND SRM 51-20-2.

---
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.
