# SDR UIEA01008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2001
- Submitted: April 13, 2001
- Operation: Air carrier
- Aircraft: N508MC
- Make and model: Boeing 747230B
- Aircraft serial: 21644
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 65B01711158
- Condition: Cracked
- Location: Fuselage
- Part time: 85,610 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/UIEA01008

## Discrepancy

DURING ACCOMPLISHEMENT OF SB 747-53-2272 FOUND TWO CRACKED HOLE BS 360 R/S AT STRINGER 14R AND STRINGER 15R.  STOP DRILLED CRACK, INSTALLED REPAIR DOUBLERS PER STANDARD PRACTICES IN A NON-MANDATORY ZONE.  AMOC APPROVED PER PAR 9 OF AD 91-11-01.  (M)

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