# SDR SBOY202207220001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2022
- Submitted: July 22, 2022
- Operation: Air carrier
- Filed by: [SIA Engineering Company Limited, repair station SBOY989H](https://openairdocs.org/faa-repair-station/SBOY989H/sia-engineering-company-limited.md) (OpenAirDocs)
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Skin Panel
- Condition: Cracked
- Stage of operation: IN
- How discovered: E
- Nature of condition: Z
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SBOY202207220001

## Discrepancy

DURING ACCOMPLISHMENT OF IED STA 2598 BULKHEAD SURFACE & OPEN HOLE HFEC INSPECTION (UPPER AREA) , FOUND 2 OPEN FASTENER HOLE WITH CRACK INDICATION ON FRAME SUPPORT LOWER SPLICE FITTING LH & RH. AIRCRAFT REG: 9V-SFI 747-400 FREIGHTER. REFERENCE SB 747-53A2427. FAA AD 2014-14-03.

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