Service difficulty report · Skin · Boeing 7378H4

Difficulty date
May 30, 2024
Submitted
June 14, 2024
Operation
Air carrier
Aircraft
N8577Z
Make and model
Boeing 7378H4
Aircraft serial
64350
Aircraft time
19,616 hours, 10,085 cycles
Part
Skin
Part number
UNKNOWN
Condition
Cracked
Location
Nr 1 Nacelle
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 ON OUTBOARD FAN COWL SKIN 1 INCHES OF UPPER EDGE AND 2 INCHES OF FWD EDGE ENG 1 2024-340205<[01] TOOL USED DIGITAL CALIPER P/N: 500-196-30; S/N: B23379002; DUE DATE: 18-FEB-25.;[02] TOOL USED EDDY CURRENT FLAW DETECTOR P/N: NORTEC 600D; S/N: 220272712; DUE DATE: 28-NOV-24;[03] TOOL USED EDDY CURRENT FLAW DETECTOR P/N: NORTE 600D. S/N: 220272712. DUE DATE: 28-NOV-24.;[04] TOOL USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 23-JAN-25.;[05] EQUIPMENT P/N PHASEC 3D; S/N 800YBRK; DUE DATE 20-JUN-24 WAS USED ON STEP 18;[06] TOOL USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N:142811019; DUE DATE: 23-JAN-25.;[07] PERFORMED PERMANENT REPAIR ON ENGINE 1 OUTB FAN COWL SKIN PANEL AT UPPER FORWARD CORNER IAW B737-800 SRM 54-20-01-2R-13 REPAIR 13 AND EA #24-171-01532-WIP1 REV: 2<BR>SEE INDIVIDUAL SIGNS-OFF BELOW.;[08] PERFORMED PERMANENT REPAIR ON ENGINE 1 OUTB FAN COWL SKIN PANEL AT UPPER FORWARD CORNER IAW B737-800 SRM 54-20-01-2R-13 REPAIR 13 AND EA #24-171-01532-WIP1 REV: 2; SEE INDIVIDUAL SIGNS-OFF BELOW.

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