# SDR Q2S2010F00012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2010
- Submitted: April 16, 2010
- Operation: Air carrier
- Aircraft: [N748SA](https://openairdocs.org/aircraft/N748SA), registered now
- Make and model: Boeing 747206B
- Aircraft serial: 21110
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Doubler
- Part number: 148U001116
- Condition: Damaged
- Location: Fuselage
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Q2S2010F00012

## Discrepancy

EMPENNAGE WHILE CARRIED OUT MODIFICATION AT STATION 2598 RT BULKHEAD IAW SB 747-53-2473, REV 2, FOUND 6 EA EXISTING HOLES IAW DWG 624U0061 FASTENERS TO BE INSTALLED (.1875) HILOKS.  REPAIR CARRIED OUT IAW EN NR 355-09.

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