Service difficulty report · Beam · Boeing 7377H4

Difficulty date
March 9, 2020
Submitted
April 14, 2020
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 7377H4
Aircraft serial
29831
Aircraft time
61,697 hours, 36,249 cycles
Part
Beam
Part number
141A651616
Part serial
BN001128
Condition
Cracked
Location
R1 Door
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

DURING COMPLETION OF CCN: 14079 FOUND FORWARD SERVICE DOOR #4 (LOWER) BEAM TO BE CRACKED IN THE RADIUS ON THE INBOARD SIDE COMMON TO THE FORWARD MOST ATTACH POINT FOR THE DOOR HANDLE BOX ASSEMBLY. / FSD #4 (LOWER BEAM) WAS REPLACED ON WORK ORDER: 532112 (POS: SF; TAG/NO.: 688224; P/N OFF: 141A6516-16; S/N OFF: BN001128; P/N ON: 141A6516-16M; S/N ON: BN001128)

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