Service difficulty report · Angle · Boeing 7377H4

Difficulty date
June 1, 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

CABLE INTERCOSTAL ATTACH ANGLE IS CRACKED IN RADIUS BS 692; RBL 1; WL 206<[01] REMOVED DAMAGED CABLE INTERCOSTAL ATTACH ANGLE BS 692; RBL 1; WL 206 IAW SRM 51-40-02;[02] FORMED NEW INTERCOSTAL ATTACH ANGLE BS 692 ; RBL 1 WL 206 MATERIAL USED 7075T0 ; 0.050' CLAD LOT #1517365 IAW DWG # 273A9119 ; SENT TO HEAT TO T73;[03] VERIFIED CORRECTIVE ACTION 2.;[04] FORMED NEW INTERCOSTAL ATTACH ANGLE BS 692 ; RBL 1 WL 206 MATERIAL USED 7075T0 ; 0.050' CLAD LOT #1517365-2 IAW DWG # 273A9119 ; SENT TO HEAT TO T73;[05] CORRECTED THE LOT #;[06] RECEIVED NEW INTERCOSTAL ATTACH ANGLE FROM OSS PO NBR 923163 ITEM HFAB5E-BR-012<BR><BR>LOCATED AND DRILLED UP NEW ANGLE PER REF SRM 51-40-05<BR><BR>OK TO APPLY CHEMICAL CONVERSION COATING AND PRIME;[07] VERIFIED CORRECTIVE ACTION 4-6<BR>OK TO APPLY CHEMICAL CONVERSION COATING AND PRIMER GIVEN.;[08] APPLIED CHEMICAL CONVERSION COATING AND PRIMER AT DISCREPANCY AREA PER REF SRM 51-20-01 AND SOPM 20-41-02 <BR><BR> OK TO INSTALL NEW ANGLE;[09] VERIFIED CORRECTIVE ACTION 8<BR>OK TO INSTALL NEW ANGLE GIVEN.;[10] INSTALLED CABLE INTERCOSTAL ATTACH ANGLE PER REF SRM 51-40-05 AND DWG NBR 144A7700;[11] VERIFIED MEASUREMENT TABLE;[12] VERIFIED CORRECTIVE ACTION 10

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