Service difficulty report · Stringer · Airbus A320232

Difficulty date
November 6, 2018
Submitted
November 9, 2018
Operation
Air carrier
Aircraft
N422UA
Make and model
Airbus A320232
Aircraft serial
503
Aircraft time
78,949 hours, 30,599 cycles
Part
Stringer
Part number
D53231992200
Condition
Corroded
Location
Frames 29-34
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

FWD CARGO FR 29-34 STGR 43L HAS CORROSION AROUND FASTENER HOLES. (SUPPORT TASK:FCD 5300-01440) PER HAECO LCQ REF. NO. 9297138. G ENERATED BY N078570. REPAIRED FWD CARGO FR29-34 STRINGER 43L CORROSION PER SRM53-21-1 3-283-001. REMOVED & REPLACED STRINGER SPLICE @ FR30-31 PER SRM5 1-72-11-911-001. STRINGER ORIG THICKNESS 0.079". REMOVED STRINGE R CORROSION BETWEEN FR32-33 (2 HOLES), 7TH FASTENER HOLE AFT OF FR32 D=0.010" BY 1.0"X 1.0" & 10TH FASTENER HOLE AFT OF FR32 D=0 .011" BY 1.0"X 1.0". WITHIN MAX ALLOW REWORK LIMIT PER SRM53-21- REA ON STR43L BETWEEN FR33&34 HIGH=0.089" LOW=0.082". THICKNESS R33-34, THICKNESS HIGH=0.089" LOW=0.082". THICKNESS OF BLENDED A 13-283-001 FIG 10102 SHT 1. REMOVED STRINGER CORROSION BETWEEN F OF BLENDED AREA ON STRG43L BETWEEN FR32&33 ON #5 HOLE AFT OF FR3 2 HIGH=0.090" LOW=0.088". THICKNESS OF BLENDED AREA ON STR43L BE TWEEN FR32&33 ON HOLE 7.5" AFT OF FR32 HIGH=0.089" LOW=0.087". B SPECTION AT 60,000 FC & 120,000 FH EHICHEVER OCCURS FIRST. SUBSE NCES. PRIMED & TOP COATED. SRM REQUIRES SRI53-21-13-205-001 REIN LENDED AREAS BETWEEN FR32-34 ON STR43L FOUND TO BE WITHIN TOLERA QUENT INSPECTION INTERVALS AND INSP METHODS TBD. HAECO NON ROUTI NE 23138. OK TO DIP PER SRM. REINSPECT PER SRI 53-21-13-205-001 AT 60000FC OR 120000FH WHICHEVER OCCURS FIRST. TOMC-APPROVAL FROM SC1ELBYC COMMENT TOMC APPROVED: QC REVIEWED TOMC APPROVED: QC REVIEWED RECORDS UPDATE OK TO DIP PER SRM. REINSPECT PER SRI 53-21-13-205-001 AT 60000FC O

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