Service difficulty report · Angle · Boeing 7377H4

Difficulty date
July 10, 2025
Submitted
July 24, 2025
Operation
Air carrier
Aircraft
N963WN
Make and model
Boeing 7377H4
Aircraft serial
36676
Aircraft time
44,502 hours, 27,369 cycles
Part
Angle
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

FORWARD CARGO LEFT Z-ANGLE HAS MULTIPLE AREAS OF CORROSION AROUND NUT PLATE HOLES FROM BS 500+10 - 500D. REMOVED CORROSION FROM LT ZEE ANFLE BS 500+10 - 500D. EVALUATED REWORKED AREA WITH ORIGINAL THICKNESS 0.040'; LOSS 0.020'; REMAINING .020'. MAXIMUM LOSS OF 0.10T, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. FABICATED REPLACEMENT SECTION AND REPAIRED IAW SRM 53-00-53-2R-5 AND SRM 51-40-02-0G-0 FROM BS 480+10 - 520.

More about the Boeing 737-7H4