Service difficulty report · Fitting · Boeing 74747UF

Difficulty date
May 17, 2023
Submitted
May 22, 2023
Operation
Air carrier
Aircraft
N499MC
Make and model
Boeing 74747UF
Aircraft serial
29260
Aircraft time
93,848 hours, 16,031 cycles
Part
Fitting
Part number
69B20472
Part serial
NSN
Condition
Corroded
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

FOUND M/D CGO FLOOR FITTING CORROSION AT STA 290 RBL 61 STA 300 RBL 61 & STA 320 RBL 56 TTL: 3 EACH(<P>1) IAW AMM WUBTASK 53-44-00-212-011 REV 107 & AMM SUBTASK 53-44-00-02-001 REV 107 REPLACED M/D CGO FLOOR FITTING AT STA 290 RBL 61 & STA 300 RBL 61 TTL: 2 EACH. 2) IAW AMM SUBTASK 53-44-00-212-011 REV 107 REMOVED M/D CGO FLOOR FITTING AT STA 320 RBL 56 TTL: 1 EACH. 3) ACCOMPLISHED FABRICATED PART IAW EI T2023A25M-932 REV 1. 4) IAW AMM WUBTASK 53-44-00-020-001 REV 107 INSTALLED M/D CGO FLOOR FITTING AT STA 320 RBL 56 TTL: 1 EACH. 5) JOB COMPLETED AND CONDITION CHECK NORMAL. FITTING SN: 69B2027-2, 69B62078-2 & 69B62030-2</P>)

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