Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
January 2, 2023
Submitted
February 2, 2023
Operation
Air carrier
Aircraft
N405WN
Make and model
Boeing 7377H4
Aircraft serial
27893
Aircraft time
71,985 hours, 42,752 cycles
Part
Attach Angle
Part number
NOTENTERED
Part serial
NOTENTERED
Condition
Corroded
Location
Zn 600 Right Win
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

CORROSION FRONT SPAR LOC. FUEL BOOST PUMP BONDING ATTACH LOWER AREA IFSS 120 APROX AND WBL 88.24 APROX AT RT WING 2023-35976<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 210138003; DUE DATE: 22-FEB-23.;[02] TOOL USED ULTRASONIC EQUIPMENT PN: 45MG; SN: 130064101; DUE DATE: 12 OCT 23.;[03] TOOL USED CALIPER P/N 500-196-30; S/N A21125619 AND CAL DUE DATE 05 NOV 23.;[04] CORRECTED STEP 3 IS:TOOL USED CALIPER P/N 500-196-30; S/N A21125629AND CAL DUE DATE 05 NOV 23.;[05] REFER TO FAULT TTG8Q00H03AJ WHERE EA 23-157-00242 WAS ADDED AS A SUBTASK.;[06] COMPLETE TASK CERTIFIED

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