Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
May 8, 2025
Submitted
June 10, 2025
Operation
Air carrier
Aircraft
N900WN
Make and model
Boeing 7377H4
Aircraft serial
32544
Aircraft time
57,299 hours, 34,643 cycles
Part
Support Angle
Condition
Cracked
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

CRACK SUPPORT ANGLE ON BS 663.75 AND RBL 8 WL 170 AT CENTER SECTION 2025-309313<[01] EQUIPMENT P/N PHASEC 3D; S/N 800YBRK; DUE DATE 16-JUL-25 WAS USED ON STEP 9;[02] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811020 DUE DATE 29 JAN 26.;[03] EQUIPMENT P/N PHASEC 3D; S/N 800YBRK; DUE DATE 16-JUL-25 WAS USED ON STEP 11;[04] REPLACED ANGLE; LOCATED ON BS 663.75 BTW RBL 5 TO RBL 65 WL 170 AT LOWER CENTER SECTION I.A.W. B737-700 SRM 51-40-02 DWG 111A1000 SHEET 259 REV. A SEE INDIVIDUAL SIGN OFF BELOW.;[05] CORRECTED STEP 4<BR>REPLACED ANGLE; LOCATED ON BS 663.75 BTW RBL 5 TO RBL 65 WL 170 AT LOWER CENTER SECTION I.A.W. B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG 111A1000 SHEET 259 REV. A SEE INDIVIDUAL SIGN OFF BELOW.;[06] TASK COMPLETED ; RII <BR>SEE INDIVIDUAL SIGN OFF BELOW

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