# SDR UPS97422839

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N681UP
- Make and model: Boeing 747121
- Aircraft serial: 19661
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Chord
- Condition: Corroded
- Location: Bs 860
- 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/UPS97422839

## Discrepancy

INSPECTION TYPE-C, FOUND CORROSION ON UPPER CHORD ON BS 860 BETWEEN LBL 70/105.  REMOVED CORROSION ON UPPER CHORD AT BS 860 BETWEEN LBL 70/105.  CORROSION NOT IN LIMITS ACC SRM 53-10-01 FIG 1.  REPLACED UPPER CHORD AT FABRIC SPLICE AT LBL 65 TO LBL 122 ACC SRM 51-30-02.

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