Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
May 6, 2023
Submitted
June 5, 2023
Operation
Air carrier
Aircraft
N283WN
Make and model
Boeing 7377H4
Aircraft serial
36610
Aircraft time
52,109 hours, 31,408 cycles
Part
Stringer
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 STRINGER 27L KEEL BEAM BETWEEN BS727 TO BS727A AT AFT CARGO COMPARTMENT 2023-299423<[01] TOOL USED DIGITAL CALIPER P/N: 500-193-30 S/N: 0000291 DUE DATE: 12-OCT-23.;[02] EDDY CURRENT EQUIPMENT USED P/N: NORTEC 600D; S/N: 220272512 AND DUE DATE: 17-DEC-23.;[03] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 220273012; DUE DATE: 17-DEC-23;[04] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 25-JAN-24.;[05] TOOLS USED: POWER PACK P/N: FMK0001764; S/N: PE1711/59885; DUE DATE: 20-DEC-23; MULTIMETER P/N: FLUKE-36; S/N: 5335022; DUE DATE: 04-JAN-24; THERMOMETER P/N: FLUKE 566; S/N: AE-405679; DUE DATE: 22-MAR-24.;[06] TOOL USED RADIOMETER PHOTOMETER PN: XRP-3000; SN: 1753759; DUE DATE: 14-OCT-23;[07] TOOL USED: POWER PACK P/N PE1068 S/N PE0318-95852 DUE DATE: 12-AUG-23.MULTIMETER P/N FLUKE 87-5 S/N 98180164 DUE DATE: 13-DEC-23. THERMOMETER P/N FLUKE 566 S/N AE-405679 DUE DATE: 22-MAR-24.;[08] REPAIRED STRINGER 27L KEEL BEAM BETWEEN BS727 TO BS727A AT AFT CARGO COMPARTMENT IAW EA# 23-153-01596 AND EA# 23-153-01596-WIP1<BR>SEE INDIVIDUAL SIGNOFFS BELOW;[09] TASK CARD COMPLETE AND CERTIFIED AS RII. <BR><BR><BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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