Service difficulty report · Stringer · Bombdr DHC8402

Difficulty date
March 21, 2013
Submitted
March 26, 2013
Operation
Air carrier
Aircraft
N410QX
Make and model
Bombdr DHC8402
Aircraft serial
4053
Aircraft time
27,772 hours, 28,835 cycles
Part
Stringer
Condition
Corroded
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

STR 25P IS CORRODED BETWEEN STA 1 AND 32. REMOVED STR 24P SECTIONS AND WEBS AT STA 6.7-26.7. REMOVED BELLY DRAINS, & INTERCOSTAL ON STR 25P, STA 1.0-32.5 IAW SRM REV 12 51-42-05-02-01, 51-40-15-02-01 AND 51-41-05-00-01. REMOVED STR 25P AT STA 1.0-32.5 IAW SRM 51-40-15-02-01 AND 51-21-00-00-02. CONFIRMED CUT LINE CRACK FREE REF NTM 51-00-06-910-801, PT 1. REMOVED THE DRAFT BULKHEAD WEB SUPPORT T-FITTING FOM IAW SRM 51-42-05-02-01. WEBS AT 6.7 AND 26.7, CORRODED OUT OF LIMITS IAW SRM REV 12 53-20-23-00-01. STR 15P AND INTERCOSTAL STA 1.0-STA 32.5 DAMAGED OUT OF LIMITS IAW SRM REV 12 53-20-17-00-01. RECEIVED NEW WEBS AT STA 6.7 AND 26.7. MATCH DRILLED IAW SRM 51-40-07-02-01. RECEIVED NEW INTERCOSTAL AND MATCH DRILLED IAW SRM 51-40-07-02-01. RECEIVED NEW STRINGER, FABRICATED REPAIR SECTION AND MATCH DRILLED IAW RD8/4-53-5295 ISSUE 1 DATED 9MAR2013. FABRICATED REPAIR DOUBLERS IAW RD8/4-53-5295. INSTALLED REPAIR DOUBLERS, STRINGER 25P/SILL REPAIR, INTERCOSTAL, WEBS 6.7, 19.4, AND 26.7. STRINGER SECTIONS AT 24P, BELLY DRAINS, AND DRAFT BULKHEAD SUPPORT T-FITTING IAW SRM 51-40-07-02-01, 51-42-05-02-01, 51-42-45-02-01, 51-40-15-02-01, 51-41-05-00-01, 51-25-10-02-01, 51-25-15-02-01, 51-23-00-00-01 AND RD8/4-53-5295. RESTORED SURFACE PROTECTION IAW RD8/4-53-5295. COMPLIED WITH TC RD8/4-53-5295/3, WO 143401.