# SDR UPS05444429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2005
- Submitted: May 4, 2005
- Operation: Air carrier
- Aircraft: N523UP
- Make and model: Boeing 747-200
- Registry model: [Boeing 747-200](https://openairdocs.org/model/boeing-747-200) (OpenAirDocs)
- Aircraft serial: 22381
- Aircraft time: 74,408 hours, 15,331 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Retainer
- Part number: AND101362402
- Condition: Corroded
- 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/UPS05444429

## Discrepancy

INSPECTION TYPE:C FX - KEEL BEAM BOX LWR SUPPORT T-RETAINER FWD UPPER SURFACE FOUND CORROSION AT STA 1297 LBL 6 - RBL 6, CORROSION BLEND OUT 0.032 X .5 X 1.25 INCH, T-RETAINER REPLACED AS PER SRM 51-10-01 PG 9.

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