Service difficulty report · Threshold · Boeing 7378H4

Difficulty date
January 24, 2020
Submitted
May 18, 2020
Operation
Air carrier
Aircraft
N8603F
Make and model
Boeing 7378H4
Aircraft serial
38875
Aircraft time
27,506 hours, 11,825 cycles
Part
Threshold
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
V
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 PIT DOOR THRESHOLD; BS445 TO 490; RBL29; WL150; THRESHOLD WEB HAS 14 EA AREAS OF CORROSION; MRK'D. / REMOVED AND EVALUATED CORROSION ON FWD CARGO DOOR THRESHOLD WEB. ORIGINAL 'T'.045'; REMAINING'T' .032'; LOSS OF .013 FOUND TO BE OUT OF LIMITS IAW B737 SRM 53-30-15-1A-1. REMOVED AND REPLACED WEB IAW BOEING DWG 143A8330 REV: B AND B737 SRM 51-40-02-0G-0 P/N 654A0003-58

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