# SDR CKSA98740

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N106CK](https://openairdocs.org/aircraft/N106CK), registered now
- Make and model: Lkheed 1011385115
- Aircraft serial: 293C1211
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Location: Bs 1665
- 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/CKSA98740

## Discrepancy

IN C-3 CARGO COMPT FS 1665 BETWEEN STRINGERS 33 AND 28 THE WEB TOP SURFACE AND ALL NUT PLATES FOUND CORRODED.  REMOVED CORROSION IAW L1011 SRM 51-21-00.  FOUND TO BE OUT OF LIMITS IAW SRM 53-23-00 FIG 801.  REPAIRED FLOORBEAM UPPER CAP IAW SRM 53-23-00 FIG 802.  TREATED IAW SRM 51-21-02, PRIMED IAW L1011 MM 20-51-09.  FOUND DURING SCHEDULED C-CHECK AND CPCP WORK CARD ACCOMPLISHMENT AT AIA.  MAINTENANCE FACILITY IN OSCODA, MI.  WORK ORDER NR 106-211, NON ROUTINE CARD NR 31582, CPCP TASK NR C53-120-04-03.

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