# SDR 9609616718

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N618US](https://openairdocs.org/aircraft/N618US), registered now
- Make and model: Boeing 747251F
- Aircraft serial: 21122
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Doubler
- Condition: Corroded
- Location: Fs 1339-1346
- 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/9609616718

## Discrepancy

DURING P-CHECK, FOUND CORROSION ON THE UPPER SURFACE OF THE BONDED DOUBLER LOCATED OVER THE KEEL BEAM BOX UPPER WEB; BS 1339 - 1346, LBL 2 - 7, WL 116.  REPAIRED DOUBLER (P/N 65B15069-288) PER EA 67-99636.

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