Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 8, 2020
Submitted
August 10, 2020
Operation
Air carrier
Aircraft
N717SA
Make and model
Boeing 7377H4
Aircraft serial
27851
Aircraft time
75,121 hours, 44,711 cycles
Part
Support
Part number
284A0603
Condition
Corroded
Location
Bs 400
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

CORROSION AT FCB ON FWD BULKHEAD PANEL LOWER SUPPORT BS400 RBL13 WL157. MARKED / REMOVED FCB FWD BULKHEAD PANEL LOWER SUPPORT BS400 RECEIVED NEW BULKHEAD PANEL LOWER SUPPORT LOCATED; DRILLED; COUNTERSUNK BULKHEAD PANEL LOWER SUPPORT INSTALLED FCB FWD BULKHEAD PANEL LOWER SUPPORT BS400 IAW SRM 51-40-02; SRM 51-40-05 SRM 51-40-08 DWG #284A0603 CORROSION ON FCB FWD BULKHEAD PANEL LOWER SUPPORT BS400 WAS FOUND OUT OF LIMITS DUE TO NO SRM ALLOWABLE LIMITS PART REPLACEMENT IAW SRM 51-10-02-0G-0 PAR 9(C) 7191U 22JUL20

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