# SDR UIEA2026040700148

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2026
- Submitted: April 7, 2026
- Operation: Air carrier
- Aircraft: [N415MC](https://openairdocs.org/aircraft/N415MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32837
- Aircraft time: 93,920 hours, 15,729 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Bracket
- Part number: 69B412505
- Condition: Corroded
- Location: Zone 100
- 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/UIEA2026040700148

## Discrepancy

FOUND NR 1 PACK BRACKET CORROSION AT #1 COMPRESSOR BYPASS VALVE OUTBD SIDE AT STA 1028.86 LBL 57.7.   REMOVED DAMAGED PARTS IAW SRM 51-40-02-0G-0 REV 106. 2. INSTALL NEW PARTS IAW SRM 51-40-02-0G-0 106 AND BOEING DWG 65B10538 SHEET 14 REV B. 3.

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