# SDR CKSA98376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N625PL](https://openairdocs.org/aircraft/N625PL), registered now
- Make and model: Boeing 747132
- Aircraft serial: 20247
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keel Beam
- Condition: Corroded
- Location: Bs 1265
- 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/CKSA98376

## Discrepancy

DURING ROUTINE CPCP INSPECTION, FOUND LEVEL 2 CORROSION UPPER WEB OF KEEL BEAM BOX CORRODED AND CRACKED APPROX STA 1265 AT PREVIOUS REPAIR.  REMOVED FASTENERS IAW B747 SRM 51-30-2.  REMOVED CORROSION IAW B747 SRM 51-10-01.  FOUND TO BE OUT OF LIMITS IAW B747 SRM 53-10-1.  COMPLIED WITH HFEC INSPECTION OF OPEN HOLES AND BLENDED AREA NO CRACK INDICATIONS IAW B747 NDT MANUAL PART 6 51-00-00.  REPAIRED IAW AIA EA B4-53-046.  U/T THICKNESS CK HI .270 LOW .198.  CORROSION TASK CARD NUMBER C53-100-01.  NON-ROUTINE TASK CARD NUMBER 25912.

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