Service difficulty report · Threshold · Boeing 7378H4

Difficulty date
May 27, 2023
Submitted
June 21, 2023
Operation
Air carrier
Aircraft
N8537Z
Make and model
Boeing 7378H4
Aircraft serial
63595
Aircraft time
19,945 hours, 9,824 cycles
Part
Threshold
Part number
UNKNOWN
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

AFT CARGO DOOR CUTOUT THRESHOLD HAS AREAS OF CORROSION..<[01] REMOVED CORROSION PER SRM 51-10-02; FOUND TO BE OUT OF ALLOWABLE LIMITS PER SRM 53-60-15-1A-1.;[02] REMOVED WEB; LOCATED AND DRILLED NEW WEB; QC OK TO INSTALL.;[03] LOCATED AND DRILLED NEW WEB PER SRM 51-40-02.;[04] DANIEL SIMS (TECHNICIAN); 09-JUN-2023 14:36 UTC<BR>LOCATED AND DRILLED NEW WEB PER SRM 51-40-02. <BR>OK TO INSTALL WEB.;[05] REMOVED AND REPLACED WITH NEW WEB PER SRM 51-40-02;[06] C/W INSPECTION.

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