Service difficulty report · Intercostal · Boeing 7377BD

Difficulty date
December 3, 2020
Submitted
February 11, 2021
Operation
Air carrier
Aircraft
N7713A
Make and model
Boeing 7377BD
Aircraft serial
33919
Aircraft time
51,736 hours, 26,642 cycles
Part
Intercostal
Part number
146A8127
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 WEB - INTERCOSTAL LOCATED BETWEEN BS767 TO BS794 AT RBBL21 AND WL156.5 AFT CARGO COMPARTMENT / REPLACED SHIELD ASSY LOCATED BETWEEN BS767 TO BS794 AT RBBL 21 AND WL 156 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND DWG 146A 8127 REV PART 146A8127U12 REPLACED SHIELD DUE TO NOT FOUND ALLOWABLE DAMAGE IN SRM B737-700

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