# SDR UIEA99052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N507MC](https://openairdocs.org/aircraft/N507MC), registered now
- Make and model: Boeing 747230B
- Aircraft serial: 21380
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 65B01719509
- Condition: Cracked
- Location: Bs 520
- Part time: 85,155 hours
- 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/UIEA99052

## Discrepancy

BS 520 LT, FOUND CRACK IN FUSELAGE FRAME FLANGE BETWEEN STR 9 AND STR 11.  ALSO, SHEAR DOUBLER CRACKED IN CUT-OUT TO NEAREST FASTENER HOLE DURING SECTION 41 INSPECTION.  REPAIRED STR 9 PER SRM 53-10-04, FIG 85.  REPAIRED FRAME AT STR 10 PER ACC KLM DFX 99-126 REV 1.  SHEAR DOUBLER AT STR 11 REPAIRED PER ACC KLM DFX 99-123.  FORM 8110-3 ISSUED.  (X)

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