Service difficulty report · Skin · Boeing 7377H4

Difficulty date
December 2, 2021
Submitted
December 6, 2021
Operation
Air carrier
Aircraft
N770SA
Make and model
Boeing 7377H4
Aircraft serial
30589
Aircraft time
69,290 hours, 41,022 cycles
Part
Skin
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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

FUSELAGE SKIN UNDER DORSAL HAS MINOR CORROSION SPOTS BS 882-893 LBL 6- RBL 5. 8-143. REMOVED MINOR CORROSION ON AREAS IAW SRM 51-10-02-0G-0. PERFORMED UT THICKNESS INSP ON REWORKED AREAS IAW NDT P4 51-00-00 PROC.3. FOUND WITHIN LIMITS IAW SRM 53-00-01-1A-1 FIG. 103 A-A. TREATED AND PRIMED AREAS IAW SRM-51-21-72-370-801.

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