Service difficulty report · Unknown · Boeing 7379

Difficulty date
April 20, 2023
Submitted
April 22, 2023
Operation
Air carrier
Aircraft
N939DZ
Make and model
Boeing 7379
Aircraft serial
38720
Aircraft time
27,661 hours, 14,366 cycles
Part
Unknown
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
O
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

AIRCRAFT 3939, PASSENGER COMPARTMENT, FLOOR SUPPORT HAS CORROSION AT BS. 951, LBL 51. CORRECTIVE ACTION: REMOVED DAMAGED FLOOR SUPPORT FROM PASSENGER COMPARTMENT BS 951 (947-967) LBL 51 WL 208 PER B737 S.R.M 51-40-02-0G AND INSTALLED A NEW FLOOR SUPPORT PER B737 S.R.M 51-40-02-0G AND DWG# 147A5650 REV-A. FOUND CORROSION TO EXCEED 10% MATERIAL LOSS AT STA 951 LBL 51 INTERCOSTAL IAW B737 SRM 53-70-51-1A FIG 103 DET. C. OUT OF LIMITS (LP 2728943)

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