Service difficulty report · Angle · Boeing 7377H4

Difficulty date
March 15, 2025
Submitted
April 7, 2025
Operation
Air carrier
Aircraft
N939WN
Make and model
Boeing 7377H4
Aircraft serial
36646
Aircraft time
51,518 hours, 31,311 cycles
Part
Angle
Condition
Cracked
Location
Zone 200
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 LOWER ANGLE FLOOR STRUCTURE BS 695 AND RBL 24.75 CENTER SECTION 2025-203648<[01] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 29-JAN-26; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 29-JAN-26.;[02] REPLACED LOWER ANGLE FLOOR STRUCTURE BS 695 AND RBL 24.75 CENTER SECTION IAW B737-700 SRM 51-40-02 AND 51-10-02 PARAGRAPH 9; DWG: 273A9112 SHEET: 6 REV: A. SEE INDIVIDUAL SIGN OFF BELOW.;[03] CORRECTED STEP 2<BR>REPLACED LOWER ANGLE FLOOR STRUCTURE BS 695 AND RBL 24.75 CENTER SECTION IAW B737-700 SRM 51-40-02 AND 51-10-02 PARAGRAPH 9; DWG: 273A9110 SHEET: 6 REV: A. SEE INDIVIDUAL SIGN OFF BELOW.;[04] CERTIFIED RII WORK PERFORMED. <BR>SEE INDIVIDUAL SIGN OFF BELOW.

More about the Boeing 737-7H4