Service difficulty report · Angle · Boeing 7377H4

Difficulty date
June 22, 2024
Submitted
July 24, 2024
Operation
Air carrier
Aircraft
N252WN
Make and model
Boeing 7377H4
Aircraft serial
34973
Aircraft time
59,332 hours, 35,662 cycles
Part
Angle
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
9
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 ON LH Z ANGLE NEAR F.E.D MOP SILL BS 344; LBL 62; WL 208.<[01] REMOVED CORROSION ON ZEE CHORD ANGLE AT DISCREPANCY AREA: L = 1'; W= 1'; MAX. MATERIAL LOSS= 0.004'; WAS FOUND WITHIN LIMIT PER SRM 53-10-15-1A-1; STEP 4.C(2)A; FIG. 108; DETAIL D.<BR><BR>TOOL USED:<BR>ID: ATS2472<BR>DUE: 12/2024; APPLIED CHEMICAL CONVERSION COATING AND TWO LAYERS OF BMS 10-11; TYPE I PRIMER ON ZEE CHORD ANGLE I.A.W SRM 51-20-01 AND SOPM 20-41-02.

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