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 - SUPPORT LOCATED AFT FACE STA500D AND RBL7 WL155 FWD CARGO COMPARTMENT 2023-569598<[01] TOOLS USED: POWER PACK: P/N FMK0001764; S/N PE0711/59885; DUE DATE: 20-DEC-23; MULTIMETER: P/N: FLUKE 289; S/N: 61180137; DUE DATE: 25-MAY-24; THERMOMETER: P/N: 2278-20; S/N: AE-410982; DUE DATE: 06-JAN-24.;[02] REPLACED SUPPORT ANGLE LOCATED AFT FACE STA500D AND RBL7 WL155 FWD CARGO COMPARTMENT IAW B737-700 #DWG: 143A7902 SHEET: 126 REV:A AND SRM 51-40-02 SEE INDIVIDUAL SIGNOFF BELOW.;[03] REPLACED SUPPORT ANGLE LOCATED AFT FACE STA500D AND RBL7 WL155 FWD CARGO COMPARTMENT IAW B737-700 #DWG: 143A7902 SHEET: 126 REV:A AND SRM 51-40-02 SEE INDIVIDUAL SIGNOFF BELOW. RII CERTIFIED

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