# SDR ERKR200100087

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2001
- Submitted: April 25, 2001
- Operation: Air carrier
- Aircraft: N3203Y
- Make and model: Boeing 747128
- Aircraft serial: 19751
- Aircraft time: 85,973 hours, 19,030 cycles
- System (JASC): [5620 · Passenger Compartment Windows](https://openairdocs.org/jasc/5620)
- Part: Window Frame
- 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/ERKR200100087

## Discrepancy

MAIN DECK LT SIDE FROM STA 380 TO 400 BETWEEN S-20L AND S-22L WINDOW FORGING HAS CORROSION UNDER FORGING.  REMOVED WINDOW FORGING PER 747 SRM 51-30-02.  REMOVED LIGHT SURFACE CORROSION PER 747 SRM 51-10-01 AND FOUND TO BE WITHIN LIMITS PER 747 SRM 56-20-01.  ALODINED AND PRIMED PER 747 SRM 51-10-02 AND SOPM 20-41-02.  INSTALLED WINDOW FORGING PER 747 SRM 51-30-02.

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