Service difficulty report · Door · Boeing 7377CT

Difficulty date
January 6, 2023
Submitted
February 14, 2023
Operation
Air carrier
Aircraft
N7825A
Make and model
Boeing 7377CT
Aircraft serial
32750
Aircraft time
65,629 hours, 33,836 cycles
Part
Door
Condition
Corroded
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

CORROSION WASTE SERVICE DOOR 145AL LOCATED BETWEEN BS847 TO BS867 AND STR23L TO STR25; WL156 FUSELAGE EXTERIOR 2023-37722<[01] TOOL USED: ULTRASONIC THICKNESS GAGE P/N: 45MG; S/N: 130066401; DUE DATE: 21-SEP-23;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 190023010; CAL DUE DATE: 14-FEB-23;[03] TOOL USED EDDY CURRENT INSTRUMENT P/N NORTEC600D S/N 210138103. DUE DATE 11-APR-23.;[04] REPAIRED WASTE SERVICE DOOR 145AL LOCATED BETWEEN BS847 TO BS867 AND STR23L TO STR25; EXTERNAL FUSELAGE IAW B737-700 SRM 52-40-01-2R-8. REPAIR 8. SEE INDIVIDUAL SINGOFFS BELOW;[05] REPAIRED WASTE SERVICE DOOR 145AL LOCATED BETWEEN BS847 TO BS867 AND STR23L TO STR25; EXTERNAL FUSELAGE IAW B737-700 SRM 52-40-01-2R-8. REPAIR 8. SEE INDIVIDUAL SINGOFFS BELOW

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