Service difficulty report · Threshold · Boeing 7378H4

Difficulty date
May 3, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N8670A
Make and model
Boeing 7378H4
Aircraft serial
36656
Aircraft time
27,016 hours, 12,741 cycles
Part
Threshold
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

FWD CARGO DOOR THRESHOLD WEB HAS CORROSION RBL 28; STA. 440-492.<[01] REMOVED DAMAGE I.A.W SRM 51-10-02. MEASURED DAMAGE DEPTH TO BE .006?. DAMAGE FOUND TO BE OUT OF LIMITS I.A.W SRM 53-30-15-1A-1.;[02] LOCATED AND DRILLED NEW WEB PER SRM 51-40-02;[03] LOCATED AND DRILLED NEW WEB PER SRM 51-40-02 OK TO INSTALL WEB;[04] INSTALLED NEW THRESHOLD WEB PER SRM 51-40-02

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