Service difficulty report · Angle · Boeing 7377H4

Difficulty date
May 31, 2023
Submitted
July 5, 2023
Operation
Air carrier
Aircraft
N962WN
Make and model
Boeing 7377H4
Aircraft serial
36963
Aircraft time
38,452 hours, 23,554 cycles
Part
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

CRACKED INTERCOSTAL AT FWD CABIN BS380+14 LBL13 WL208.<[01] REMOVED ANGLE INTERCOSTAL;FOUND PART HAS NOT SRM LIMITS AND SO PART IS REPAIRABLE BY REPLACEMENT; IAW SRM 51-10-02 PARAG 9;[02] LOCATED AND DRILLED NEW ANGLE OF INTERCOSTAL<BR>WITH P/N 143A54190-174 LOT#1530229 IAW SRM 51-40-05<BR>AND DWG 141A5400.<BR>OK TO INSTALL;[03] VERIFIED CORRECTIVE ACTION 1 AND 2 OK TO INSTALL;[04] INSTALLED NEW ANGLE OF INTERCOSTAL<BR>AT LBL 23; BS 380+14; WL 208<BR>P/N 143A5410-174 IAW SM 51-40-02 AND DWG#141A5400.;[05] VERIFIED MEASUREMENT TABLE;[06] VERIFIED CORRECTIVE ACTION 4

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