# SDR 97ZZZX2105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N402BF](https://openairdocs.org/aircraft/N402BF), registered now
- Make and model: Cessna 402B
- Registry model: [Cessna 402B](https://openairdocs.org/model/cessna-402b) (OpenAirDocs)
- Aircraft serial: 402B1076
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Bracket
- Part number: 502100212
- Condition: Rivet Sheared
- Location: Aileron Hinge
- 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/97ZZZX2105

## Discrepancy

DURING A 100 HOUR INSPECTION, MECHANIC NOTICED CRACK IN THE WING SKIN IN MOST AFT OTBD SECTION OF LT WING.  MECHANIC ALSO OBSERVED 2 RIVETS  SHEARED THAT ATTACH THE OTBD AILERON HINGE BRACKET ASSY (CESSNA P/N 5021002-12) WHICH ARE SAME RIVETS THAT ATTACH THE TIP TANK SUPPORT BRACKETS (CESSNA P/N'S 0822600-29 AND -30 TO THE WING.  THE MOST OTBD WING RIB WAS ALSO CRACKED IN THE MOST AFT LOWER SECTION (CESSNA P/N 0822040-17).  TIP TANK  STINGER (MOST AFT POINT) HAS SOME SLIGHT DAMAGE AS THOUGH IT STRUCK A SOLID OBJECT.  AMOUNT OF WEIGHT WITH A FULL TANK OF FUEL BOUNCING ON THE TIP OF THE WING COULD ALSO BE A CONTRIBUTING FACTOR.

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