Service difficulty report · Angle · Boeing 7377H4

Difficulty date
September 11, 2023
Submitted
October 16, 2023
Operation
Air carrier
Aircraft
N448WN
Make and model
Boeing 7377H4
Aircraft serial
33721
Aircraft time
64,386 hours, 38,370 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

CRACK ANGLE LOCATED BS663.75 AT LBL40 AND WL 171.5 AT AIR CONDITIONING BAY 2023-569615<[01] TOOL USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 01-FEB-24.;[02] REPLACED ANGLE LOCATED BS663.75 AT LBL40 AND WL 171.5 AT AIR CONDITIONING BAY I.A.W. B737-700 SRM 51-40-02 AND B737-700 DWG #111A1000 SHEET 141 REV - SEE INDIVIDUAL SIGN-OFFS BELOW.;[03] RII COMPLETED JOB

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