# SDR CKSA98751

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N707CK](https://openairdocs.org/aircraft/N707CK), registered now
- Make and model: Boeing 747269B
- Aircraft serial: 21541
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 65B062774
- Condition: Corroded
- Location: Bs 1980
- 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/CKSA98751

## Discrepancy

IN BULK CARGO COMPARTMENT, AFTER FLOOR SUPPORT INTERCOSTAL REMOVED.  CORROSION FOUND ON FLOOR SUPPORT HAT SECTION HORIZONTAL FLANGE A AT ZONE 150 AFT, BS 1980, RBL 55.  FLOOR SUPPORT HAT SECTION REPLACED AS PER SRM H-4001.  FOUND DURING SCHEDULED C-CHECK AND CPCP TASK CARD ACCOMPLISHMENT AT HAECO MAINTENANCE/REPAIR FACILITY, IN HONG KONG (VHKG).  CPCP TASK CARD NR C53-100-01-6-10.  NON ROUTINE TASK CARD NUMBER JF64166.

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