Service difficulty report · Skin · Boeing 7673CB

Difficulty date
July 3, 2021
Submitted
July 5, 2021
Operation
Air carrier
Aircraft
N685UA
Make and model
Boeing 7673CB
Aircraft serial
33467
Aircraft time
61,708 hours, 11,271 cycles
Part
Skin
Part number
140T26501
Condition
Dented
Location
Cargo Door
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

ON WALK AROUND FOUND SMALL DENT FWD LOWER RIGHT HALF OF CARGO DOOR . FWD AFT CARGO DOOR LEADING EDGE DENT 52-30-01 ALLO. DMG 1 EVALUATED DAMAGE TO AFT CARGO DOOR FWD EDGE NEAR LWR CORNER, DMG CONCIST OF A SMALL CRACK 1/4", SEAL RETAINER IS DENTED. REF. SRM FOUND DAMAGE TO BE A TEAR ONE INCH LONG AT EDGE OF DOOR. DENTED REF AVO8413 STEP 02 PERFORMED DETAIL VISUAL OF DAMAGED AREA AREA IS 3 INCHES IN LENGTH. REF AVO8413 STEP 03, PERFORMED NDT PART 6-51-00-19 NO FURTHER CRACKS FOUND OUTSIDE OF DAMAGE AREA. REMOVED DAMAGED SEAL RETAINER REF AVO 8413 STEP 5 PERFORMED STEP 1 OF AVO 8413 VISUAL INSPECTION OF 20 IN RADIUS PERFORMD REWORK PER STEP 4 OF AVO 8413. UNABLE TO BRING SKIN TO ORIGINAL CONTOUR. MISSING MATERIAL OF .250IN X .100IN EWORK NEED TO PERFORM HFEC OF DAMAGED SEAL RETAINER BEFORE AND AFTER R REF AVO STEP 06 COMPLY WITH HFEC REF NDT PT 6-51-0019 REF AVO8413 STEP 06 C/W HFEC INSPECTION REF NDT PART 6-51-00-19, BEFORE AND AFTER COLDWORKED. NO CRACKS FOUND. REMOVED FASTENERS PER STEP 7 OF AVO 8413 REV A REF AVO8413A C/W WITH STEP 08 HFEC PART 6-51-00-16 FASTENER HOLES, NO CRACKS FOUND. REMOVED DAMAGE PER STEP 9 OF AVO 8413 REV A REWORKED SEAL RETAINER BACK TO CONTOUR PER STEP 6 OF AVO 8413. REF AVO8413A C/W STEP 10 HFEC NDT PART 6-51-00-19, INSPECTED TRIMOUT NO DAMAGE FOUND. COMPLY WITH STEPS 11,12 OF AVO8413 REV A. REINSTALLED SEAL RETAINER AND PERFORM STEPS 12 THRU 15 OF ECRA# 5230-02117. REQUIRE INSTALLATION OF RUBBER SEAL AND INITIATE A DIP TO ACCOMPLISH PART 3 PERMAN

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