Service difficulty report · Skin · Boeing 75733N

Difficulty date
January 23, 2022
Submitted
January 24, 2022
Operation
Air carrier
Aircraft
N57870
Make and model
Boeing 75733N
Aircraft serial
33525
Aircraft time
51,235 hours, 14,781 cycles
Part
Skin
Part number
09999A2NY
Condition
Corroded
Location
Sta 1680
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

(B757-53-3-0479) AFT GALLEY WET AREA - STA 1680 FLOOR BEAM PRESS URE DECK - FROM LBL 51.50 TO RBL 51.50 - SPLICE PLATE AT BL 0 - STA 1720 AT BL 0 - UPPER SKIN HAS SURFACE CORROSION, TRANSCRIBE D FROM HAECO GSO NR LP 9281120. 12 EA DISCREPANT AREAS WERE FOUND. AREA 1 FOUND TO BE WITHIN LIM ON GUSSET PLATE AND WAS REMOVED AND REPLACED ON THIS NRC LP 9281 V932675 INSP QC021 ITS WITH .067 REMAINING THICKNESS IAW B757-300 SRM 53-60-51. ARA 120 IAW B757-300 SRM 51-40-02 AND BOEING DWG 146N5320. AREAS 7,8 S 2,3,4 WAS ONE REPAIR ACCOMPLISHED ON LOGPAGE 9281410. AREA 5 W ,9 WAS ONE REPAIR ACCOMPLISHED ON NR LP 9281408. AREAS 10,11,12 AS ONE REPAIR ACCOMPLISHED ON LOGPAGE 9281411. AREA 6 WAS DAMAGE WAS ONE REPAIR ACCOMPLISHED ON NR LP 9281409. HAECO GSO MECH

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