Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
June 12, 2025
Submitted
July 16, 2025
Operation
Air carrier
Aircraft
N225WN
Make and model
Boeing 7377H4
Aircraft serial
34333
Aircraft time
64,981 hours, 38,949 cycles
Part
Support 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

CORROSION ANGLE - SUPPORT LOCATED BS 500D AND BTW STR26R TO STR26L WL 156 FWD CARGO COMPARTMENT. EVALUATED ANGLE - SUPPORT LOCATED BS 500D AND BTW STR26R TO STR26L WL 156 FWD CARGO COMPARTMENT AND TOOK MEASURES AFTER REWORK MEASURES AREA L=2.205 W=1.178 D=0.052. NOMINAL THICKNESS IS 0.070? IAW SRM 53-30-08-0I-1 FIGURE 2 TABLE 2 AND BAC1517-2818 AND FOUND OUT LIMITS IAW SRM 53-30-08-1A-1. STEP 4.A (2) (A) FIGURE D. ANGLE - SUPPORT WAS REPLACED IAW SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG: 143A7902 SHEET: 174 REV: - .

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