# SDR OF1R372K

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2020
- Submitted: October 22, 2020
- Operation: General aviation
- Aircraft: [N55804](https://openairdocs.org/aircraft/N55804), registered now
- Make and model: Piper PA-28R-200
- Registry model: [Piper PA-28R-200](https://openairdocs.org/model/piper-pa-28r-200) (OpenAirDocs)
- Aircraft serial: 28R7335291
- Aircraft time: 8,840 hours
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 62021006202101
- Condition: Cracked
- Location: Lt Wing
- Part time: 8,840 hours
- 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/OF1R372K

## Discrepancy

WHILE COMPLYING WITH PIPER SERVICE BULLETIN NR 1161B BY THE INSTALLATION OF PIPER WING RIB MODIFICATION KITS P/N 767-397 AND P/N 767-398, IT WAS FOUND THAT THE NOSE RIBS FORWARD OF THE REPAIR WERE CRACKED.  NOSE RIB P/N 62021-00 ON LEFT WING AT STATION 49.25 AND NOSE RIB P/N 62021-01 ON RIGHT WING AT STATION 49.25 HAD TWO VERTICAL CRACKS ADJACENT TO THE HOLES USED TO BOLT ON THE MAIN LANDING GEAR TRUSS BRACKET ASSEMBLY P/N 95643-06 FOR LEFT WING AND P/N 95643-07 FOR THE RIGHT WING.

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