Service difficulty report · Support · Boeing 7377H4

Difficulty date
October 7, 2024
Submitted
November 12, 2024
Operation
Air carrier
Aircraft
N207WN
Make and model
Boeing 7377H4
Aircraft serial
34012
Aircraft time
62,000 hours, 37,337 cycles
Part
Support
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION, RIGHT MAIN W/W CUTOUT AFT ALL BLADE SEAL SUPPORTS TOP SURFACE. REMOVED CORROSION AT RIGHT MAIN W/W CUTOUT AFT SEAL TOP SURFACE AS PER B-737 SRM 51-10-02-0G<BR>'EVALUATED REWORKED AREA OF CUTOUT AFT BLADE SEAL TOP SURFACE'<BR>ORIGINAL MATERIAL: 0.063'; MATERIAL REMOVED 0.014'; REMAINING THICKNESS 0.0049' FOUND TO BE OUT OF LIMITS AS PER B-737 SRM 53-40-71-1A-1<BR>INSTALLED NEW AFT ALL BLADE SEALS SUPPORTS TOP SURFACE OF R/H W/W AS PER SRM 51-40-02-0G-0 & AMM 32-12-12-400-801. REMOVED CORROSION AT RIGHT MAIN W/W CUTOUT AFT SEAL TOP SURFACE AS PER B-737 SRM 51-10-02-0G<BR>'EVALUATED REWORKED AREA OF CUTOUT AFT BLADE SEAL TOP SURFACE'<BR>ORIGINAL MATERIAL: 0.063'; MATERIAL REMOVED 0.014'; REMAINING THICKNESS 0.0049' FOUND TO BE OUT OF LIMITS AS PER B-737 SRM 53-40-71-1A-1<BR>INSTALLED NEW AFT ALL BLADE SEALS SUPPORTS TOP SURFACE OF R/H W/W AS PER SRM 51-40-02-0G-0 & AMM 32-12-12-400-801<BR>TOOL USED:177417<BR>DUE DATE:05/28/25;[03] VERIFIED REPLACED

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