# SDR UPS96421735

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N672UP
- Make and model: Boeing 747123
- Aircraft serial: 20324
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Bs 980
- 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/UPS96421735

## Discrepancy

INSPECTION TYPE:  C.  FOUND DURING REPLACEMENT OF BSTA 1000 LOWER CHORD (EO B747-5310-5301E) CORROSION ON WEB OF FRAME BSTA 980 NEAR STR 46 LT AFT SIDE OF FRAME.  CORRODED PART OF WEB IS OUT OF LIMITS ACC. SRM 53-10-01 ITEM 1 NOTE B.  REMOVED CORRODED PART OF WEB, CUT OUT IS 2 SQUARE INCH.  REPAIRED FRAME ACC. SRM 53-10-04 FIG. 52 DETAIL 2.

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