Service difficulty report · Skin · Boeing 7378

Difficulty date
April 7, 2023
Submitted
April 10, 2023
Operation
Air carrier
Aircraft
N26215
Make and model
Boeing 7378
Aircraft serial
28775
Aircraft time
75,869 hours, 27,523 cycles
Part
Skin
Part number
143A32322
Condition
Corroded
Location
Air Duct
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

CORROSION FOUND IN THE SKIN OF GROUND CONDITIONED AIR CONNECTION DUCT. REQUIRE EVALUATION (REF. AAR NR 99967000). ACCUMULATION OF 48,000 TOTAL AIRCRAFT FLIGHT CYCLES, PLANNING TO ELAGE SKIN AND KEEL BEAM DOUBLER REPAIR BETWEEN STA 500H AND STA PART 2 OF THE LATEST REVISION OF ECRA 5331-03018. CONTACT ENGINEERING FOR THE INSPECTION REQUIREMENTS FOR THE FUS 540, STR 26L AND STR 26R ON AIRCRAFT N26215 IN ACCORDANCE WITH ACCOMPLISHED REPAIR AT FUSELAGE LOWER SKIN AT THE AIR CONDITIONI NG GROUND CONNECTOR AREA, PER ECRA 5331-03018. ON OR BEFORE THE TOMC APPROVED DIP TO ON OR BEFORE THE ACCUMULATION OF 48,000 TOMC-APPROVAL FROM SC1ELBYC COMMENT TOTAL AIRCRAFT FLIGHT CYCLES, PLANNING TO CONTACT ENGINEERING FOR THE INSPECTION REQUIREMENTS FOR THE FUSELAGE SKIN AND KEEL BEAM DOUBLER REPAIR BETWEEN STA 500H AND STA 540, STR 26L AND STR 26R ON AIRCRAFT N26215 IN ACCORDANCE WITH PART 2 OF THE LATEST REVISION OF ECRA 5331-03018. REVIEWED AND APPROVED QC QC REVIEW INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE.

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