# SDR UPS97422414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N674UP
- Make and model: Boeing 747123
- Aircraft serial: 20100
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corrosion
- Location: Bs 1600
- 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/UPS97422414

## Discrepancy

INSPECTION TYPE-C, AFT CARGO COMPARTMENT FOUND CORROSION ON LOWER AND UPPER SIDE OF FRAME UPPER CHORD AT BS 1600, RBL 36/44 AND LBL 36.  REMOVED CORROSION ACC SRM 51-10-01, WITHIN LIMITS OF SRM 53-30-01 AT RBL 36/44.  OUT OF LIMITS AT LBL 36 AND REPAIRED UPPER CHORD ACC SRM 51-40-04 FIG 2.

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