# SDR IPXA2026060258511

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2026
- Submitted: June 3, 2026
- Operation: Air carrier
- Aircraft: [N577UP](https://openairdocs.org/aircraft/N577UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35666
- Aircraft time: 63,511 hours, 9,924 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Nose Cowl
- Part number: 2242101573HF
- Part serial: 3262001
- Condition: Dented
- Location: Zone 400
- 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/IPXA2026060258511

## Discrepancy

DENT - SKIN, NO. 1 ENG NOSE COWL INNER BARREL 11:00 POS.  CUT OUT THE DAMAGE AND CLEAN, MEASURE THE CUTOUT ( DIA : 0.7", 22" FROM FWD EDGE AND AT 11 O'CLOCK ON THE INNER BARREL OF NR 1 ENF INLET COWL) FILL THE CUTOUT WITH ADHESIVE CURED AT 200°F FOR 1 HOUR IAW SRM 54-15-01-2R-3 REV. 106  2. CONDITION CHECK IS SATISFACTORY.   THE CUMULATIVE REPAIR BLOCKAGE OF ACOUSTIC PANEL IS 0.38 SQUARE INCHES FOR THIS NRC.  THE CUMULATIVE REPAIR BLOCKAGE OF ACOUSTIC PANEL IS 0.38 SQUARE INCHES FOR NO.1 ENGINE INLET COWL  CONFIRM THAT THE ENGINE / NACELLE IS ACOUSTICALLY COMPLIANT IAW SRM 54-01-01-2R-1 REV. 106.

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