Service difficulty report · Bearing · Boeing 74747UF

Difficulty date
April 30, 2022
Submitted
May 4, 2022
Operation
Air carrier
Aircraft
N477MC
Make and model
Boeing 74747UF
Aircraft serial
29255
Aircraft time
94,642 hours, 16,669 cycles
System (JASC)
5200 · Doors
Part
Bearing
Part number
NPN
Part serial
NSN
Condition
None
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DAMAGE - L1 DOOR AFT/ UPPER LATCH CAM & DOOR OPEN AFT/ LOWER TORQUE BEARING(<P>1) IAW AMM TASK 52-11-19-001-001 REV 103 AND 52-11-19-404-008 REV 103 REPLACE L1 DOOR FWD LOWER LATCH TORQUE TUBE BEARING. 2) IAW AMM 52-11-01-735-080 REV 103 RPL AND ADT L1 DOOR AFT UPPER LATCH FITTING COND CHECK NML</P>)

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