Service difficulty report · Stringer · Boeing 737824

Difficulty date
August 30, 2017
Submitted
September 1, 2017
Operation
Air carrier
Aircraft
N12221
Make and model
Boeing 737824
Aircraft serial
28930
Aircraft time
59,949 hours, 21,526 cycles
Part
Stringer
Part number
141A334114
Condition
Corroded
Location
Bs 373
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

PULLED RIVET ON RIGHT SIDE OF AIRCRAFT 13 RIVETS AFT OF PRODUCTION JOINT - INGESTION WARNING DECAL- BELOW WATER LINE.WILL MARK WI TH TAPE AND MARKER. BULGING SKIN WITH RIVET POPPING IS LOCATED AT APPROX STA 373 ON STRINGER 25R. SECTION 43. HOLE EDGES CAUSING BULDGING. WAITING FOR DEFUELING AND A/C TO B REMOVED STRINGER FASTENER, EVIDENCE OF CORROSION WHEN LOOKING AT REMOVED TO GAIN ACCESS TO AFFECTED AREA. E BROUGHT IN. NEED EQUIPMENT COOLING FANS REMOVED AND INSULATION FOUND STRINGER 25R CORRODED AT FASTENER LOCATION ON INSIDE, REMOVED CORRODED SKIN,STRINGER SECTION,PRODUCTION STRINGER SPLICE ON STRINGER 25R BETWEEN STA 360-380. INSTALLED NEW STRINGER SE CTION,SPLICES AND DOUBLER AND FILLER IAW SRM 53-00-01 RPR#1