Service difficulty report · Skin · Bombdr DHC8402

Difficulty date
July 21, 2015
Submitted
July 22, 2015
Operation
Air carrier
Aircraft
N438QX
Make and model
Bombdr DHC8402
Aircraft serial
4243
Aircraft time
13,788 hours, 14,708 cycles
Part
Skin
Condition
Dented
Location
Bs 258
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

LEFT FUSELAGE SKIN AT APPROX 7" AFT OF BS 258, STR 11-13P HAS 21 DENTS. REMOVED DAMAGE ON LT FUSELAGE AT APPROX 7" AFT OF FS 258.00, STR 12P REF RD8/4-53-6968, ISSUE 1. RECEIVED TC RD8/4-53-6968/3. C/W ET INSP ON CUTOUT IAW RD8/4-53-6968, ISSUE 1. REMOVED ALL EXISTING FASTENERS COMMON TO REPAIR DOUBLER NR 1 IAW RD 8/4-53-6968, SHEET 4. NO DAMAGE TO UNDERLYING STRUCTURE. FABRICATED REPAIR PACKER NR 1 USING MATERIAL, PN 2024-T3 0.063" PO: T20092 IAW RD 8/4-53-6968, SHEET 4. LOCATED AND DRILLED REPAIR DOUBLER NR 1, REF SRM 51-40-07 AND RD8/4-53-6968 ISSUE 1. REMOVED DOME NUT ASSY, PN 853077381-107 BTW FS X258.00 AND X281.00 ON STRINGER 13P IAW SRM 51-42-05. INSTALLED DOME NUT ASSY BETWEEN FS X258.0 AND FS X281.0 ON STR 13P, REF SRM 51-42-05, REPAIR-01. REMOVED STIFFENER, PN: 85307748-003 BETWEEN FS X258.00 AND X281.00 AND BETWEEN STR 13P AND STR 16P IAW SRM 51-42-05. INSTALLED STIFFENER, PN 85307748-003 BETWEEN FS X258.0 AND X281.0 AND BETWEEN STRINGER 13P AND 16P REF SRM 51-42-05, REPAIR-01. PERFORMED ET INSP IAW STEP 4 OF RD8/4-53-6968 ISSUE 1. COMPLETED FABRICATING REPAIR DOUBLER NR 1 REF RD8/4-53-6968, ISSUE 2. ALODINED AND PRIMED REPAIR DOUBLER NR 1 IAW RD8/4-53-6968 ISSUE 2. INSTALLED COUNTERSINK FILLERS ON OUTER SKIN OUNTERSINKS UNDER REPAIR DOUBLER NR 1 AREA REF RD8/4-53-6968, ISSUE 1 STEP B. INSTALLED RIVETS BETWEEN STR 11 AND STR 13, BS X258.0 AND BS X269.0, REF RD8/4-53-6968 ISSUE 1. INSTALLED DOUBLER NR 1 REF RD8/4-53-6968, ISSUE 2. RESTORED FINISH TO EXTERNAL SURFACE OF REPAIRED AREA REF RD NR 8/4-53-6968 ISSUE 2, SHEET 6, ITEMS 14 AND 16. RESTORED FINISH TO INTERNAL SURFACE OF REPAIRED AREA REF RD8/4-53-6968 ISSUE 2, SHEET 6, STEP 15 AND 17. TC COMPLIED WITH RD8/4-53-6968/3 ON JOB 5424325, OP 122.