# SDR 2006UALA00271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2006
- Submitted: July 6, 2007
- Operation: Air carrier
- Aircraft: [N924UA](https://openairdocs.org/aircraft/N924UA), registered now
- Make and model: Boeing 737522
- Aircraft serial: 26645
- Aircraft time: 38,669 hours, 28,531 cycles
- Engine: Cfmint CFM563C1
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Rivet
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006UALA00271

## Discrepancy

EXTERNAL FUSELAGE HAS CRACKED RIVETS IN MULTIPLE LOCATIONS.  EXTERNAL FUSELAGE, 40 EA FASTENERS CRACKED AND 1 EA FASTENER WITH LIGHTNING STRIKE SURROUNDING NR 3R COCKPIT WINDOW.  NDT VERIFIED NUMBER OF RIVETS CRACKED, FOUND 3 EA RIVETS TO BE CRACKED.  REMOVED RIVETS.  NDT HOLES FOR DAMAGE, NONE DETECTED.  INSTALLED RIVETS.  EXT FUSELAGE BELOW 1R COCKPIT WINDOW, 4 EA FASTENER HEADS CRACKED.  REMOVED 3 EA RIVETS AT 1R COCKPIT WINDOW.  NDT FOR CRACKS (HOLES), NO DEFECTS NOTED.  INSTALLED RIVETS.  EXT FUSELAGE BELOW 1L COCKPIT WINDOW 12 EA FASTENER HEADS CRACKED.  NDT VERIFIED NUMBER OF RIVETS CRACKED.  FOUND 3 EA RIVETS TO BE CRACKED.  REMOVED CRACKED RIVETS, NDT HOLES NO DEFECTS NOTED, INSTALLED 3 EACH RIVETS.  E

---
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.