Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
August 16, 2023
Submitted
September 19, 2023
Operation
Air carrier
Aircraft
N904WN
Make and model
Boeing 7377H4
Aircraft serial
36616
Aircraft time
51,012 hours, 30,668 cycles
Part
Attach Angle
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

L/H BS663 UPPER ATTACH ANGLE IS CRACKED ON VAPOR BARRIER LBL8 WL167.68<[01] UPDATED STEP 4 AND 5;[02] VERIFIED STEPS 4;9;10;11 IN PARTIAL.;[03] VERIFIED STEPS 9;10; COMPLETE.;[04] VERIFIED STEP 11 IN PARTIAL.;[05] CRACK ON UPPER ATTACH ANGLE FOUND TO BE OUT OF LIMITS. REMOVED DAMAGED SECTION AND REPAIRED L/H BS663 UPPER ATTACH ANGLE ON VAPOR BARRIER LBL8 WL167.68 IAW SRM 57-10-10-2R-5 AND DWG 111A1000.;[06] VERIFIED STEP 11 COMPLETE.;[07] VERIFIED STEP 4;12; COMPLETE.;[08] VERIFIED STEP 13;14 COMPLETE AND MEASUREMENT TABLE; CARD COMPLETE.

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