# SDR 200200282

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2002
- Submitted: September 17, 2002
- Operation: Air carrier
- Filed by: [Marana Aerospace Solutions Inc, repair station ERKR675D](https://openairdocs.org/faa-repair-station/ERKR675D/marana-aerospace-solutions-inc.md) (OpenAirDocs)
- Aircraft: N477EV
- Make and model: Boeing 747-SR-46
- Registry model: [Boeing 747-SR-46](https://openairdocs.org/model/boeing-747-sr-46) (OpenAirDocs)
- Aircraft serial: 20784
- Aircraft time: 64,833 hours, 33,228 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Doubler
- Condition: Damaged
- Location: Fuselage
- 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/200200282

## Discrepancy

REPAIR OF OVERSIZED FASTENER HOLES COMMON TO FASTENER HOLES COMMON TO THE BS 747-53-2181 L1 AND R1 DOOR BOOMERANG DOUBLERS.  THE R1 DOUBLER IS BEING REMOVED AND REPLACED PER BSB 747-553-2181.  AT THE OVERSIZED FASTENER HOLES COMMON TO THE L1 DOUBLER, OVERSIZE FASTENERS ARE BEING INSTALLED PER BSB 747-53-2181, PER ECRA 477-71-087-2.

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