Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 13, 2023
Submitted
October 6, 2023
Operation
Air carrier
Aircraft
N906WN
Make and model
Boeing 7377H4
Aircraft serial
36887
Aircraft time
51,081 hours, 29,796 cycles
Part
Support
Part number
UNKNOWN
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

AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT HAS CORROSION AT BS 727E+15; LBL 22; WL 155<[01] REMOVED AND INSTALLED FLOOR TO SIDEWALL SUPPORT FROM BS 727 TO BS 847<BR>PER SRM 51-40-02 AND DWG 146A7500.;[02] UPDATED MEASUREMENTS.;[03] VERIFIED CORRECTIVE ACTION 1 AND 2 <BR>REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT AT STA-727 TO 847 ACB PER SRM 51-40-02 AND DWG 146A7500.<BR>VERIFIED MEASUREMENTS.<BR>JOB COMPLETE.

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